Home / 87,370.20-131,055.30-34,752.60

Finding the Fourth Proportional to 87,370.20, 131,055.30 and 34,752.60

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Solution

The fourth proportional to 87,370.20, 131,055.30 and 34,752.60 is: 52,128.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,370.20 : 131,055.30 = 34,752.60 : x
  2. Step 2: Convert to fraction form
    87,370.20/131,055.30 = 34,752.60/x
  3. Step 3: Cross multiply
    87,370.20x = 131,055.30 × 34,752.60
  4. Step 4: Simplify right side
    87,370.20x = 4,554,512,418.78
  5. Step 5: Solve for x
    x = 4,554,512,418.78/87,370.20
  6. Step 6: Final answer
    x = 52,128.90

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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.