Home / 81,934.66-122,902.03-22,770.85

Finding the Fourth Proportional to 81,934.66, 122,902.03 and 22,770.85

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Solution

The fourth proportional to 81,934.66, 122,902.03 and 22,770.85 is: 34,156.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,934.66 : 122,902.03 = 22,770.85 : x
  2. Step 2: Convert to fraction form
    81,934.66/122,902.03 = 22,770.85/x
  3. Step 3: Cross multiply
    81,934.66x = 122,902.03 × 22,770.85
  4. Step 4: Simplify right side
    81,934.66x = 2,798,583,359.86
  5. Step 5: Solve for x
    x = 2,798,583,359.86/81,934.66
  6. Step 6: Final answer
    x = 34,156.28

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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.