Home / 80,777.25-111,475.17-50,552.91

Finding the Fourth Proportional to 80,777.25, 111,475.17 and 50,552.91

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Solution

The fourth proportional to 80,777.25, 111,475.17 and 50,552.91 is: 69,764.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,777.25 : 111,475.17 = 50,552.91 : x
  2. Step 2: Convert to fraction form
    80,777.25/111,475.17 = 50,552.91/x
  3. Step 3: Cross multiply
    80,777.25x = 111,475.17 × 50,552.91
  4. Step 4: Simplify right side
    80,777.25x = 5,635,394,236.24
  5. Step 5: Solve for x
    x = 5,635,394,236.24/80,777.25
  6. Step 6: Final answer
    x = 69,764.62

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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.