Finding the Fourth Proportional to 71,465.10, 107,213.84 and 24,718.38
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Solution
The fourth proportional to 71,465.10, 107,213.84 and 24,718.38 is: 37,083.17
Step by Step Solution
- Step 1: Write the proportion equation
71,465.10 : 107,213.84 = 24,718.38 : x - Step 2: Convert to fraction form
71,465.10/107,213.84 = 24,718.38/x - Step 3: Cross multiply
71,465.10x = 107,213.84 × 24,718.38 - Step 4: Simplify right side
71,465.10x = 2,650,152,438.38 - Step 5: Solve for x
x = 2,650,152,438.38/71,465.10 - Step 6: Final answer
x = 37,083.17
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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.