Home / 87,791.31-131,716.52-27,829.58

Finding the Fourth Proportional to 87,791.31, 131,716.52 and 27,829.58

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Solution

The fourth proportional to 87,791.31, 131,716.52 and 27,829.58 is: 41,753.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,791.31 : 131,716.52 = 27,829.58 : x
  2. Step 2: Convert to fraction form
    87,791.31/131,716.52 = 27,829.58/x
  3. Step 3: Cross multiply
    87,791.31x = 131,716.52 × 27,829.58
  4. Step 4: Simplify right side
    87,791.31x = 3,665,614,698.16
  5. Step 5: Solve for x
    x = 3,665,614,698.16/87,791.31
  6. Step 6: Final answer
    x = 41,753.73

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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.