Home / 87,696.77-131,523.28-34,399.58

Finding the Fourth Proportional to 87,696.77, 131,523.28 and 34,399.58

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Solution

The fourth proportional to 87,696.77, 131,523.28 and 34,399.58 is: 51,590.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,696.77 : 131,523.28 = 34,399.58 : x
  2. Step 2: Convert to fraction form
    87,696.77/131,523.28 = 34,399.58/x
  3. Step 3: Cross multiply
    87,696.77x = 131,523.28 × 34,399.58
  4. Step 4: Simplify right side
    87,696.77x = 4,524,344,848.61
  5. Step 5: Solve for x
    x = 4,524,344,848.61/87,696.77
  6. Step 6: Final answer
    x = 51,590.78

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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.