Home / 80,635.92-111,278.38-44,339.28

Finding the Fourth Proportional to 80,635.92, 111,278.38 and 44,339.28

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Solution

The fourth proportional to 80,635.92, 111,278.38 and 44,339.28 is: 61,188.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,635.92 : 111,278.38 = 44,339.28 : x
  2. Step 2: Convert to fraction form
    80,635.92/111,278.38 = 44,339.28/x
  3. Step 3: Cross multiply
    80,635.92x = 111,278.38 × 44,339.28
  4. Step 4: Simplify right side
    80,635.92x = 4,934,002,859.72
  5. Step 5: Solve for x
    x = 4,934,002,859.72/80,635.92
  6. Step 6: Final answer
    x = 61,188.65

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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.