Home / 87,834.61-131,755.53-25,505.11

Finding the Fourth Proportional to 87,834.61, 131,755.53 and 25,505.11

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Solution

The fourth proportional to 87,834.61, 131,755.53 and 25,505.11 is: 38,258.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,834.61 : 131,755.53 = 25,505.11 : x
  2. Step 2: Convert to fraction form
    87,834.61/131,755.53 = 25,505.11/x
  3. Step 3: Cross multiply
    87,834.61x = 131,755.53 × 25,505.11
  4. Step 4: Simplify right side
    87,834.61x = 3,360,438,626.98
  5. Step 5: Solve for x
    x = 3,360,438,626.98/87,834.61
  6. Step 6: Final answer
    x = 38,258.71

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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.