Home / 80,597.20-111,231.12-44,786.56

Finding the Fourth Proportional to 80,597.20, 111,231.12 and 44,786.56

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Solution

The fourth proportional to 80,597.20, 111,231.12 and 44,786.56 is: 61,809.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,597.20 : 111,231.12 = 44,786.56 : x
  2. Step 2: Convert to fraction form
    80,597.20/111,231.12 = 44,786.56/x
  3. Step 3: Cross multiply
    80,597.20x = 111,231.12 × 44,786.56
  4. Step 4: Simplify right side
    80,597.20x = 4,981,659,229.75
  5. Step 5: Solve for x
    x = 4,981,659,229.75/80,597.20
  6. Step 6: Final answer
    x = 61,809.33

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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.