Home / 80,538.62-111,198.89-50,337.51

Finding the Fourth Proportional to 80,538.62, 111,198.89 and 50,337.51

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Solution

The fourth proportional to 80,538.62, 111,198.89 and 50,337.51 is: 69,500.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,538.62 : 111,198.89 = 50,337.51 : x
  2. Step 2: Convert to fraction form
    80,538.62/111,198.89 = 50,337.51/x
  3. Step 3: Cross multiply
    80,538.62x = 111,198.89 × 50,337.51
  4. Step 4: Simplify right side
    80,538.62x = 5,597,474,985.68
  5. Step 5: Solve for x
    x = 5,597,474,985.68/80,538.62
  6. Step 6: Final answer
    x = 69,500.51

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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.