Home / 87,876.06-131,818.14-28,712.04

Finding the Fourth Proportional to 87,876.06, 131,818.14 and 28,712.04

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Solution

The fourth proportional to 87,876.06, 131,818.14 and 28,712.04 is: 43,069.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,876.06 : 131,818.14 = 28,712.04 : x
  2. Step 2: Convert to fraction form
    87,876.06/131,818.14 = 28,712.04/x
  3. Step 3: Cross multiply
    87,876.06x = 131,818.14 × 28,712.04
  4. Step 4: Simplify right side
    87,876.06x = 3,784,767,708.41
  5. Step 5: Solve for x
    x = 3,784,767,708.41/87,876.06
  6. Step 6: Final answer
    x = 43,069.38

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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.