Home / 80,928.82-121,388.76-24,768.89

Finding the Fourth Proportional to 80,928.82, 121,388.76 and 24,768.89

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Solution

The fourth proportional to 80,928.82, 121,388.76 and 24,768.89 is: 37,151.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,928.82 : 121,388.76 = 24,768.89 : x
  2. Step 2: Convert to fraction form
    80,928.82/121,388.76 = 24,768.89/x
  3. Step 3: Cross multiply
    80,928.82x = 121,388.76 × 24,768.89
  4. Step 4: Simplify right side
    80,928.82x = 3,006,664,843.68
  5. Step 5: Solve for x
    x = 3,006,664,843.68/80,928.82
  6. Step 6: Final answer
    x = 37,151.97

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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.