Home / 87,565.96-131,238.18-55,963.84

Finding the Fourth Proportional to 87,565.96, 131,238.18 and 55,963.84

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Solution

The fourth proportional to 87,565.96, 131,238.18 and 55,963.84 is: 83,874.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,565.96 : 131,238.18 = 55,963.84 : x
  2. Step 2: Convert to fraction form
    87,565.96/131,238.18 = 55,963.84/x
  3. Step 3: Cross multiply
    87,565.96x = 131,238.18 × 55,963.84
  4. Step 4: Simplify right side
    87,565.96x = 7,344,592,507.41
  5. Step 5: Solve for x
    x = 7,344,592,507.41/87,565.96
  6. Step 6: Final answer
    x = 83,874.97

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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.