Home / 80,835.28-121,177.92-41,305.24

Finding the Fourth Proportional to 80,835.28, 121,177.92 and 41,305.24

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Solution

The fourth proportional to 80,835.28, 121,177.92 and 41,305.24 is: 61,919.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,835.28 : 121,177.92 = 41,305.24 : x
  2. Step 2: Convert to fraction form
    80,835.28/121,177.92 = 41,305.24/x
  3. Step 3: Cross multiply
    80,835.28x = 121,177.92 × 41,305.24
  4. Step 4: Simplify right side
    80,835.28x = 5,005,283,068.30
  5. Step 5: Solve for x
    x = 5,005,283,068.30/80,835.28
  6. Step 6: Final answer
    x = 61,919.54

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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.