Home / 82,152.72-123,229.08-29,560.86

Finding the Fourth Proportional to 82,152.72, 123,229.08 and 29,560.86

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Solution

The fourth proportional to 82,152.72, 123,229.08 and 29,560.86 is: 44,341.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,152.72 : 123,229.08 = 29,560.86 : x
  2. Step 2: Convert to fraction form
    82,152.72/123,229.08 = 29,560.86/x
  3. Step 3: Cross multiply
    82,152.72x = 123,229.08 × 29,560.86
  4. Step 4: Simplify right side
    82,152.72x = 3,642,757,581.81
  5. Step 5: Solve for x
    x = 3,642,757,581.81/82,152.72
  6. Step 6: Final answer
    x = 44,341.29

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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.