Home / 87,634.92-131,141.16-64,203.24

Finding the Fourth Proportional to 87,634.92, 131,141.16 and 64,203.24

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Solution

The fourth proportional to 87,634.92, 131,141.16 and 64,203.24 is: 96,076.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,634.92 : 131,141.16 = 64,203.24 : x
  2. Step 2: Convert to fraction form
    87,634.92/131,141.16 = 64,203.24/x
  3. Step 3: Cross multiply
    87,634.92x = 131,141.16 × 64,203.24
  4. Step 4: Simplify right side
    87,634.92x = 8,419,687,369.36
  5. Step 5: Solve for x
    x = 8,419,687,369.36/87,634.92
  6. Step 6: Final answer
    x = 96,076.85

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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.