Home / 80,855.28-121,207.92-41,325.24

Finding the Fourth Proportional to 80,855.28, 121,207.92 and 41,325.24

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Solution

The fourth proportional to 80,855.28, 121,207.92 and 41,325.24 is: 61,949.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,855.28 : 121,207.92 = 41,325.24 : x
  2. Step 2: Convert to fraction form
    80,855.28/121,207.92 = 41,325.24/x
  3. Step 3: Cross multiply
    80,855.28x = 121,207.92 × 41,325.24
  4. Step 4: Simplify right side
    80,855.28x = 5,008,946,383.90
  5. Step 5: Solve for x
    x = 5,008,946,383.90/80,855.28
  6. Step 6: Final answer
    x = 61,949.53

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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.