Home / 80,918.60-121,373.51-24,758.72

Finding the Fourth Proportional to 80,918.60, 121,373.51 and 24,758.72

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Solution

The fourth proportional to 80,918.60, 121,373.51 and 24,758.72 is: 37,136.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,918.60 : 121,373.51 = 24,758.72 : x
  2. Step 2: Convert to fraction form
    80,918.60/121,373.51 = 24,758.72/x
  3. Step 3: Cross multiply
    80,918.60x = 121,373.51 × 24,758.72
  4. Step 4: Simplify right side
    80,918.60x = 3,005,052,204.54
  5. Step 5: Solve for x
    x = 3,005,052,204.54/80,918.60
  6. Step 6: Final answer
    x = 37,136.73

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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.