Home / 80,930.90-121,391.85-24,770.96

Finding the Fourth Proportional to 80,930.90, 121,391.85 and 24,770.96

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Solution

The fourth proportional to 80,930.90, 121,391.85 and 24,770.96 is: 37,155.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,930.90 : 121,391.85 = 24,770.96 : x
  2. Step 2: Convert to fraction form
    80,930.90/121,391.85 = 24,770.96/x
  3. Step 3: Cross multiply
    80,930.90x = 121,391.85 × 24,770.96
  4. Step 4: Simplify right side
    80,930.90x = 3,006,992,053.72
  5. Step 5: Solve for x
    x = 3,006,992,053.72/80,930.90
  6. Step 6: Final answer
    x = 37,155.06

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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.