Home / 87,951.64-131,853.48-28,755.04

Finding the Fourth Proportional to 87,951.64, 131,853.48 and 28,755.04

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Solution

The fourth proportional to 87,951.64, 131,853.48 and 28,755.04 is: 43,108.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,951.64 : 131,853.48 = 28,755.04 : x
  2. Step 2: Convert to fraction form
    87,951.64/131,853.48 = 28,755.04/x
  3. Step 3: Cross multiply
    87,951.64x = 131,853.48 × 28,755.04
  4. Step 4: Simplify right side
    87,951.64x = 3,791,452,091.54
  5. Step 5: Solve for x
    x = 3,791,452,091.54/87,951.64
  6. Step 6: Final answer
    x = 43,108.37

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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.