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Finding the Fourth Proportional to 57,227.80, 85,841.70 and 54,002.20

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Solution

The fourth proportional to 57,227.80, 85,841.70 and 54,002.20 is: 81,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,227.80 : 85,841.70 = 54,002.20 : x
  2. Step 2: Convert to fraction form
    57,227.80/85,841.70 = 54,002.20/x
  3. Step 3: Cross multiply
    57,227.80x = 85,841.70 × 54,002.20
  4. Step 4: Simplify right side
    57,227.80x = 4,635,640,651.74
  5. Step 5: Solve for x
    x = 4,635,640,651.74/57,227.80
  6. Step 6: Final answer
    x = 81,003.30

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1.5x scale

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.