Home / 80,747.28-111,432.24-44,937.72

Finding the Fourth Proportional to 80,747.28, 111,432.24 and 44,937.72

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Solution

The fourth proportional to 80,747.28, 111,432.24 and 44,937.72 is: 62,014.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,747.28 : 111,432.24 = 44,937.72 : x
  2. Step 2: Convert to fraction form
    80,747.28/111,432.24 = 44,937.72/x
  3. Step 3: Cross multiply
    80,747.28x = 111,432.24 × 44,937.72
  4. Step 4: Simplify right side
    80,747.28x = 5,007,510,800.09
  5. Step 5: Solve for x
    x = 5,007,510,800.09/80,747.28
  6. Step 6: Final answer
    x = 62,014.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.