Home / 87,834.11-131,754.78-25,504.61

Finding the Fourth Proportional to 87,834.11, 131,754.78 and 25,504.61

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Solution

The fourth proportional to 87,834.11, 131,754.78 and 25,504.61 is: 38,257.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,834.11 : 131,754.78 = 25,504.61 : x
  2. Step 2: Convert to fraction form
    87,834.11/131,754.78 = 25,504.61/x
  3. Step 3: Cross multiply
    87,834.11x = 131,754.78 × 25,504.61
  4. Step 4: Simplify right side
    87,834.11x = 3,360,353,620.76
  5. Step 5: Solve for x
    x = 3,360,353,620.76/87,834.11
  6. Step 6: Final answer
    x = 38,257.96

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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.