Home / 87,372.67-131,108.78-34,057.71

Finding the Fourth Proportional to 87,372.67, 131,108.78 and 34,057.71

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Solution

The fourth proportional to 87,372.67, 131,108.78 and 34,057.71 is: 51,105.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,372.67 : 131,108.78 = 34,057.71 : x
  2. Step 2: Convert to fraction form
    87,372.67/131,108.78 = 34,057.71/x
  3. Step 3: Cross multiply
    87,372.67x = 131,108.78 × 34,057.71
  4. Step 4: Simplify right side
    87,372.67x = 4,465,264,332.52
  5. Step 5: Solve for x
    x = 4,465,264,332.52/87,372.67
  6. Step 6: Final answer
    x = 51,105.96

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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.