Home / 87,627.32-131,451.90-34,312.41

Finding the Fourth Proportional to 87,627.32, 131,451.90 and 34,312.41

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Solution

The fourth proportional to 87,627.32, 131,451.90 and 34,312.41 is: 51,472.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,627.32 : 131,451.90 = 34,312.41 : x
  2. Step 2: Convert to fraction form
    87,627.32/131,451.90 = 34,312.41/x
  3. Step 3: Cross multiply
    87,627.32x = 131,451.90 × 34,312.41
  4. Step 4: Simplify right side
    87,627.32x = 4,510,431,488.08
  5. Step 5: Solve for x
    x = 4,510,431,488.08/87,627.32
  6. Step 6: Final answer
    x = 51,472.89

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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.