Home / 80,538.64-111,198.93-50,337.52

Finding the Fourth Proportional to 80,538.64, 111,198.93 and 50,337.52

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Solution

The fourth proportional to 80,538.64, 111,198.93 and 50,337.52 is: 69,500.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,538.64 : 111,198.93 = 50,337.52 : x
  2. Step 2: Convert to fraction form
    80,538.64/111,198.93 = 50,337.52/x
  3. Step 3: Cross multiply
    80,538.64x = 111,198.93 × 50,337.52
  4. Step 4: Simplify right side
    80,538.64x = 5,597,478,362.85
  5. Step 5: Solve for x
    x = 5,597,478,362.85/80,538.64
  6. Step 6: Final answer
    x = 69,500.53

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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.