Finding the Fourth Proportional to 72,616.73, 108,925.17 and 22,697.09
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Solution
The fourth proportional to 72,616.73, 108,925.17 and 22,697.09 is: 34,045.65
Step by Step Solution
- Step 1: Write the proportion equation
72,616.73 : 108,925.17 = 22,697.09 : x - Step 2: Convert to fraction form
72,616.73/108,925.17 = 22,697.09/x - Step 3: Cross multiply
72,616.73x = 108,925.17 × 22,697.09 - Step 4: Simplify right side
72,616.73x = 2,472,283,842.13 - Step 5: Solve for x
x = 2,472,283,842.13/72,616.73 - Step 6: Final answer
x = 34,045.65
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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.