Finding the Fourth Proportional to 127,825.92, 176,446.08 and 77,523.84
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Solution
The fourth proportional to 127,825.92, 176,446.08 and 77,523.84 is: 107,010.99
Step by Step Solution
- Step 1: Write the proportion equation
127,825.92 : 176,446.08 = 77,523.84 : x - Step 2: Convert to fraction form
127,825.92/176,446.08 = 77,523.84/x - Step 3: Cross multiply
127,825.92x = 176,446.08 × 77,523.84 - Step 4: Simplify right side
127,825.92x = 13,678,777,674.55 - Step 5: Solve for x
x = 13,678,777,674.55/127,825.92 - Step 6: Final answer
x = 107,010.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.