Home / 87,844.06-131,600.76-43,418.80

Finding the Fourth Proportional to 87,844.06, 131,600.76 and 43,418.80

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Solution

The fourth proportional to 87,844.06, 131,600.76 and 43,418.80 is: 65,046.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,844.06 : 131,600.76 = 43,418.80 : x
  2. Step 2: Convert to fraction form
    87,844.06/131,600.76 = 43,418.80/x
  3. Step 3: Cross multiply
    87,844.06x = 131,600.76 × 43,418.80
  4. Step 4: Simplify right side
    87,844.06x = 5,713,947,078.29
  5. Step 5: Solve for x
    x = 5,713,947,078.29/87,844.06
  6. Step 6: Final answer
    x = 65,046.48

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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.