Home / 87,494.04-131,261.97-28,329.78

Finding the Fourth Proportional to 87,494.04, 131,261.97 and 28,329.78

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Solution

The fourth proportional to 87,494.04, 131,261.97 and 28,329.78 is: 42,501.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,494.04 : 131,261.97 = 28,329.78 : x
  2. Step 2: Convert to fraction form
    87,494.04/131,261.97 = 28,329.78/x
  3. Step 3: Cross multiply
    87,494.04x = 131,261.97 × 28,329.78
  4. Step 4: Simplify right side
    87,494.04x = 3,718,622,732.47
  5. Step 5: Solve for x
    x = 3,718,622,732.47/87,494.04
  6. Step 6: Final answer
    x = 42,501.44

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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.