Finding the Fourth Proportional to 71,943.12, 107,924.54 and 24,545.50
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Solution
The fourth proportional to 71,943.12, 107,924.54 and 24,545.50 is: 36,821.61
Step by Step Solution
- Step 1: Write the proportion equation
71,943.12 : 107,924.54 = 24,545.50 : x - Step 2: Convert to fraction form
71,943.12/107,924.54 = 24,545.50/x - Step 3: Cross multiply
71,943.12x = 107,924.54 × 24,545.50 - Step 4: Simplify right side
71,943.12x = 2,649,061,404.03 - Step 5: Solve for x
x = 2,649,061,404.03/71,943.12 - Step 6: Final answer
x = 36,821.61
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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.