Home / 87,714.76-131,591.58-40,942.12

Finding the Fourth Proportional to 87,714.76, 131,591.58 and 40,942.12

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Solution

The fourth proportional to 87,714.76, 131,591.58 and 40,942.12 is: 61,422.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,714.76 : 131,591.58 = 40,942.12 : x
  2. Step 2: Convert to fraction form
    87,714.76/131,591.58 = 40,942.12/x
  3. Step 3: Cross multiply
    87,714.76x = 131,591.58 × 40,942.12
  4. Step 4: Simplify right side
    87,714.76x = 5,387,638,259.35
  5. Step 5: Solve for x
    x = 5,387,638,259.35/87,714.76
  6. Step 6: Final answer
    x = 61,422.25

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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.