Home / 80,062.08-120,028.28-33,349.92

Finding the Fourth Proportional to 80,062.08, 120,028.28 and 33,349.92

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Solution

The fourth proportional to 80,062.08, 120,028.28 and 33,349.92 is: 49,997.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,062.08 : 120,028.28 = 33,349.92 : x
  2. Step 2: Convert to fraction form
    80,062.08/120,028.28 = 33,349.92/x
  3. Step 3: Cross multiply
    80,062.08x = 120,028.28 × 33,349.92
  4. Step 4: Simplify right side
    80,062.08x = 4,002,933,535.74
  5. Step 5: Solve for x
    x = 4,002,933,535.74/80,062.08
  6. Step 6: Final answer
    x = 49,997.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.