Home / 87,882.17-131,842.82-48,418.97

Finding the Fourth Proportional to 87,882.17, 131,842.82 and 48,418.97

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Solution

The fourth proportional to 87,882.17, 131,842.82 and 48,418.97 is: 72,639.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,882.17 : 131,842.82 = 48,418.97 : x
  2. Step 2: Convert to fraction form
    87,882.17/131,842.82 = 48,418.97/x
  3. Step 3: Cross multiply
    87,882.17x = 131,842.82 × 48,418.97
  4. Step 4: Simplify right side
    87,882.17x = 6,383,693,008.13
  5. Step 5: Solve for x
    x = 6,383,693,008.13/87,882.17
  6. Step 6: Final answer
    x = 72,639.23

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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.