Home / 82,149.18-123,278.46-44,718.69

Finding the Fourth Proportional to 82,149.18, 123,278.46 and 44,718.69

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Solution

The fourth proportional to 82,149.18, 123,278.46 and 44,718.69 is: 67,107.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,149.18 : 123,278.46 = 44,718.69 : x
  2. Step 2: Convert to fraction form
    82,149.18/123,278.46 = 44,718.69/x
  3. Step 3: Cross multiply
    82,149.18x = 123,278.46 × 44,718.69
  4. Step 4: Simplify right side
    82,149.18x = 5,512,851,236.42
  5. Step 5: Solve for x
    x = 5,512,851,236.42/82,149.18
  6. Step 6: Final answer
    x = 67,107.81

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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.