Home / 87,713.10-131,591.25-25,389.90

Finding the Fourth Proportional to 87,713.10, 131,591.25 and 25,389.90

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Solution

The fourth proportional to 87,713.10, 131,591.25 and 25,389.90 is: 38,091.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,713.10 : 131,591.25 = 25,389.90 : x
  2. Step 2: Convert to fraction form
    87,713.10/131,591.25 = 25,389.90/x
  3. Step 3: Cross multiply
    87,713.10x = 131,591.25 × 25,389.90
  4. Step 4: Simplify right side
    87,713.10x = 3,341,088,678.38
  5. Step 5: Solve for x
    x = 3,341,088,678.38/87,713.10
  6. Step 6: Final answer
    x = 38,091.10

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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.