Home / 80,626.16-111,273.28-44,819.70

Finding the Fourth Proportional to 80,626.16, 111,273.28 and 44,819.70

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Solution

The fourth proportional to 80,626.16, 111,273.28 and 44,819.70 is: 61,856.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,626.16 : 111,273.28 = 44,819.70 : x
  2. Step 2: Convert to fraction form
    80,626.16/111,273.28 = 44,819.70/x
  3. Step 3: Cross multiply
    80,626.16x = 111,273.28 × 44,819.70
  4. Step 4: Simplify right side
    80,626.16x = 4,987,235,027.62
  5. Step 5: Solve for x
    x = 4,987,235,027.62/80,626.16
  6. Step 6: Final answer
    x = 61,856.29

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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.