Home / 87,843.06-131,599.26-43,417.80

Finding the Fourth Proportional to 87,843.06, 131,599.26 and 43,417.80

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Solution

The fourth proportional to 87,843.06, 131,599.26 and 43,417.80 is: 65,044.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,843.06 : 131,599.26 = 43,417.80 : x
  2. Step 2: Convert to fraction form
    87,843.06/131,599.26 = 43,417.80/x
  3. Step 3: Cross multiply
    87,843.06x = 131,599.26 × 43,417.80
  4. Step 4: Simplify right side
    87,843.06x = 5,713,750,350.83
  5. Step 5: Solve for x
    x = 5,713,750,350.83/87,843.06
  6. Step 6: Final answer
    x = 65,044.98

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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.