Home / 87,351.75-131,036.28-34,748.91

Finding the Fourth Proportional to 87,351.75, 131,036.28 and 34,748.91

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Solution

The fourth proportional to 87,351.75, 131,036.28 and 34,748.91 is: 52,126.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,351.75 : 131,036.28 = 34,748.91 : x
  2. Step 2: Convert to fraction form
    87,351.75/131,036.28 = 34,748.91/x
  3. Step 3: Cross multiply
    87,351.75x = 131,036.28 × 34,748.91
  4. Step 4: Simplify right side
    87,351.75x = 4,553,367,900.45
  5. Step 5: Solve for x
    x = 4,553,367,900.45/87,351.75
  6. Step 6: Final answer
    x = 52,126.81

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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.