Finding the Fourth Proportional to 71,633.53, 107,457.13 and 29,516.47
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Solution
The fourth proportional to 71,633.53, 107,457.13 and 29,516.47 is: 44,277.52
Step by Step Solution
- Step 1: Write the proportion equation
71,633.53 : 107,457.13 = 29,516.47 : x - Step 2: Convert to fraction form
71,633.53/107,457.13 = 29,516.47/x - Step 3: Cross multiply
71,633.53x = 107,457.13 × 29,516.47 - Step 4: Simplify right side
71,633.53x = 3,171,754,922.18 - Step 5: Solve for x
x = 3,171,754,922.18/71,633.53 - Step 6: Final answer
x = 44,277.52
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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.