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Finding the Fourth Proportional to 82,250.80, 123,433.80 and 35,537.20

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Solution

The fourth proportional to 82,250.80, 123,433.80 and 35,537.20 is: 53,330.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,250.80 : 123,433.80 = 35,537.20 : x
  2. Step 2: Convert to fraction form
    82,250.80/123,433.80 = 35,537.20/x
  3. Step 3: Cross multiply
    82,250.80x = 123,433.80 × 35,537.20
  4. Step 4: Simplify right side
    82,250.80x = 4,386,491,637.36
  5. Step 5: Solve for x
    x = 4,386,491,637.36/82,250.80
  6. Step 6: Final answer
    x = 53,330.69

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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.