Home / 87,580.44-131,420.68-34,276.77

Finding the Fourth Proportional to 87,580.44, 131,420.68 and 34,276.77

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Solution

The fourth proportional to 87,580.44, 131,420.68 and 34,276.77 is: 51,434.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,580.44 : 131,420.68 = 34,276.77 : x
  2. Step 2: Convert to fraction form
    87,580.44/131,420.68 = 34,276.77/x
  3. Step 3: Cross multiply
    87,580.44x = 131,420.68 × 34,276.77
  4. Step 4: Simplify right side
    87,580.44x = 4,504,676,335.91
  5. Step 5: Solve for x
    x = 4,504,676,335.91/87,580.44
  6. Step 6: Final answer
    x = 51,434.73

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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.