Finding the Fourth Proportional to 71,724.56, 107,601.42 and 24,981.08
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Solution
The fourth proportional to 71,724.56, 107,601.42 and 24,981.08 is: 37,476.70
Step by Step Solution
- Step 1: Write the proportion equation
71,724.56 : 107,601.42 = 24,981.08 : x - Step 2: Convert to fraction form
71,724.56/107,601.42 = 24,981.08/x - Step 3: Cross multiply
71,724.56x = 107,601.42 × 24,981.08 - Step 4: Simplify right side
71,724.56x = 2,687,999,681.13 - Step 5: Solve for x
x = 2,687,999,681.13/71,724.56 - Step 6: Final answer
x = 37,476.70
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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.