Home / 80,597.20-111,279.52-50,397.16

Finding the Fourth Proportional to 80,597.20, 111,279.52 and 50,397.16

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Solution

The fourth proportional to 80,597.20, 111,279.52 and 50,397.16 is: 69,582.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,597.20 : 111,279.52 = 50,397.16 : x
  2. Step 2: Convert to fraction form
    80,597.20/111,279.52 = 50,397.16/x
  3. Step 3: Cross multiply
    80,597.20x = 111,279.52 × 50,397.16
  4. Step 4: Simplify right side
    80,597.20x = 5,608,171,774.16
  5. Step 5: Solve for x
    x = 5,608,171,774.16/80,597.20
  6. Step 6: Final answer
    x = 69,582.71

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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.