The ratio of the length to the width of a rectangle is
.
The length of the rectangle is 60 inches.
\Let x is the width of the rectangle.
\The length to the width of a rectangle is
. \ \
Therefore proportion is
.
Multiply each side by
.

Cancel common terms.
\

Apply cross products property: If
where
then
.
.
The width of the rectangle is 48 inches.