Home / 82,422.24-123,327-49,160.40

Finding the Fourth Proportional to 82,422.24, 123,327 and 49,160.40

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Solution

The fourth proportional to 82,422.24, 123,327 and 49,160.40 is: 73,557.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,422.24 : 123,327 = 49,160.40 : x
  2. Step 2: Convert to fraction form
    82,422.24/123,327 = 49,160.40/x
  3. Step 3: Cross multiply
    82,422.24x = 123,327 × 49,160.40
  4. Step 4: Simplify right side
    82,422.24x = 6,062,804,650.80
  5. Step 5: Solve for x
    x = 6,062,804,650.80/82,422.24
  6. Step 6: Final answer
    x = 73,557.87

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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.