Finding the Fourth Proportional to 73,745.93, 110,619.50 and 21,157.08
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Solution
The fourth proportional to 73,745.93, 110,619.50 and 21,157.08 is: 31,735.79
Step by Step Solution
- Step 1: Write the proportion equation
73,745.93 : 110,619.50 = 21,157.08 : x - Step 2: Convert to fraction form
73,745.93/110,619.50 = 21,157.08/x - Step 3: Cross multiply
73,745.93x = 110,619.50 × 21,157.08 - Step 4: Simplify right side
73,745.93x = 2,340,385,505.27 - Step 5: Solve for x
x = 2,340,385,505.27/73,745.93 - Step 6: Final answer
x = 31,735.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.