Home / 87,958.87-132,114.78-52,489.38

Finding the Fourth Proportional to 87,958.87, 132,114.78 and 52,489.38

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Solution

The fourth proportional to 87,958.87, 132,114.78 and 52,489.38 is: 78,839.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,958.87 : 132,114.78 = 52,489.38 : x
  2. Step 2: Convert to fraction form
    87,958.87/132,114.78 = 52,489.38/x
  3. Step 3: Cross multiply
    87,958.87x = 132,114.78 × 52,489.38
  4. Step 4: Simplify right side
    87,958.87x = 6,934,622,891.04
  5. Step 5: Solve for x
    x = 6,934,622,891.04/87,958.87
  6. Step 6: Final answer
    x = 78,839.38

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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.