Finding the Fourth Proportional to 73,723.92, 110,618.55 and 38,655.24
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Solution
The fourth proportional to 73,723.92, 110,618.55 and 38,655.24 is: 57,999.99
Step by Step Solution
- Step 1: Write the proportion equation
73,723.92 : 110,618.55 = 38,655.24 : x - Step 2: Convert to fraction form
73,723.92/110,618.55 = 38,655.24/x - Step 3: Cross multiply
73,723.92x = 110,618.55 × 38,655.24 - Step 4: Simplify right side
73,723.92x = 4,275,986,598.70 - Step 5: Solve for x
x = 4,275,986,598.70/73,723.92 - Step 6: Final answer
x = 57,999.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.