Finding the Fourth Proportional to 72,082.68, 108,134.36 and 22,166.99
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Solution
The fourth proportional to 72,082.68, 108,134.36 and 22,166.99 is: 33,253.66
Step by Step Solution
- Step 1: Write the proportion equation
72,082.68 : 108,134.36 = 22,166.99 : x - Step 2: Convert to fraction form
72,082.68/108,134.36 = 22,166.99/x - Step 3: Cross multiply
72,082.68x = 108,134.36 × 22,166.99 - Step 4: Simplify right side
72,082.68x = 2,397,013,276.78 - Step 5: Solve for x
x = 2,397,013,276.78/72,082.68 - Step 6: Final answer
x = 33,253.66
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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.