Home / 82,404.20-123,606.30-27,000.20

Finding the Fourth Proportional to 82,404.20, 123,606.30 and 27,000.20

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Solution

The fourth proportional to 82,404.20, 123,606.30 and 27,000.20 is: 40,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,404.20 : 123,606.30 = 27,000.20 : x
  2. Step 2: Convert to fraction form
    82,404.20/123,606.30 = 27,000.20/x
  3. Step 3: Cross multiply
    82,404.20x = 123,606.30 × 27,000.20
  4. Step 4: Simplify right side
    82,404.20x = 3,337,394,821.26
  5. Step 5: Solve for x
    x = 3,337,394,821.26/82,404.20
  6. Step 6: Final answer
    x = 40,500.30

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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.