Home / 82,255.80-123,441.30-35,542.20

Finding the Fourth Proportional to 82,255.80, 123,441.30 and 35,542.20

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Solution

The fourth proportional to 82,255.80, 123,441.30 and 35,542.20 is: 53,338.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,255.80 : 123,441.30 = 35,542.20 : x
  2. Step 2: Convert to fraction form
    82,255.80/123,441.30 = 35,542.20/x
  3. Step 3: Cross multiply
    82,255.80x = 123,441.30 × 35,542.20
  4. Step 4: Simplify right side
    82,255.80x = 4,387,375,372.86
  5. Step 5: Solve for x
    x = 4,387,375,372.86/82,255.80
  6. Step 6: Final answer
    x = 53,338.19

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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.