Home / 87,407.80-131,112.42-25,080.28

Finding the Fourth Proportional to 87,407.80, 131,112.42 and 25,080.28

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Solution

The fourth proportional to 87,407.80, 131,112.42 and 25,080.28 is: 37,620.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,407.80 : 131,112.42 = 25,080.28 : x
  2. Step 2: Convert to fraction form
    87,407.80/131,112.42 = 25,080.28/x
  3. Step 3: Cross multiply
    87,407.80x = 131,112.42 × 25,080.28
  4. Step 4: Simplify right side
    87,407.80x = 3,288,336,205.08
  5. Step 5: Solve for x
    x = 3,288,336,205.08/87,407.80
  6. Step 6: Final answer
    x = 37,620.63

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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.