Home / 87,673.28-131,405.52-50,259.20

Finding the Fourth Proportional to 87,673.28, 131,405.52 and 50,259.20

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Solution

The fourth proportional to 87,673.28, 131,405.52 and 50,259.20 is: 75,328.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,673.28 : 131,405.52 = 50,259.20 : x
  2. Step 2: Convert to fraction form
    87,673.28/131,405.52 = 50,259.20/x
  3. Step 3: Cross multiply
    87,673.28x = 131,405.52 × 50,259.20
  4. Step 4: Simplify right side
    87,673.28x = 6,604,336,310.78
  5. Step 5: Solve for x
    x = 6,604,336,310.78/87,673.28
  6. Step 6: Final answer
    x = 75,328.95

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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.