Home / 87,431.22-131,278.05-50,033.52

Finding the Fourth Proportional to 87,431.22, 131,278.05 and 50,033.52

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Solution

The fourth proportional to 87,431.22, 131,278.05 and 50,033.52 is: 75,125.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,431.22 : 131,278.05 = 50,033.52 : x
  2. Step 2: Convert to fraction form
    87,431.22/131,278.05 = 50,033.52/x
  3. Step 3: Cross multiply
    87,431.22x = 131,278.05 × 50,033.52
  4. Step 4: Simplify right side
    87,431.22x = 6,568,302,940.24
  5. Step 5: Solve for x
    x = 6,568,302,940.24/87,431.22
  6. Step 6: Final answer
    x = 75,125.37

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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.