Home / 87,782.76-131,673.87-35,229.15

Finding the Fourth Proportional to 87,782.76, 131,673.87 and 35,229.15

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Solution

The fourth proportional to 87,782.76, 131,673.87 and 35,229.15 is: 52,843.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,782.76 : 131,673.87 = 35,229.15 : x
  2. Step 2: Convert to fraction form
    87,782.76/131,673.87 = 35,229.15/x
  3. Step 3: Cross multiply
    87,782.76x = 131,673.87 × 35,229.15
  4. Step 4: Simplify right side
    87,782.76x = 4,638,758,517.31
  5. Step 5: Solve for x
    x = 4,638,758,517.31/87,782.76
  6. Step 6: Final answer
    x = 52,843.62

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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.