Home / 87,405.12-131,112.60-25,074

Finding the Fourth Proportional to 87,405.12, 131,112.60 and 25,074

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Solution

The fourth proportional to 87,405.12, 131,112.60 and 25,074 is: 37,612.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,405.12 : 131,112.60 = 25,074 : x
  2. Step 2: Convert to fraction form
    87,405.12/131,112.60 = 25,074/x
  3. Step 3: Cross multiply
    87,405.12x = 131,112.60 × 25,074
  4. Step 4: Simplify right side
    87,405.12x = 3,287,517,332.40
  5. Step 5: Solve for x
    x = 3,287,517,332.40/87,405.12
  6. Step 6: Final answer
    x = 37,612.41

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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.