Home / 82,560.55-123,890.19-29,974.14

Finding the Fourth Proportional to 82,560.55, 123,890.19 and 29,974.14

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Solution

The fourth proportional to 82,560.55, 123,890.19 and 29,974.14 is: 44,979.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,560.55 : 123,890.19 = 29,974.14 : x
  2. Step 2: Convert to fraction form
    82,560.55/123,890.19 = 29,974.14/x
  3. Step 3: Cross multiply
    82,560.55x = 123,890.19 × 29,974.14
  4. Step 4: Simplify right side
    82,560.55x = 3,713,501,899.69
  5. Step 5: Solve for x
    x = 3,713,501,899.69/82,560.55
  6. Step 6: Final answer
    x = 44,979.13

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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.