Home / 81,675.17-122,517.35-29,084.66

Finding the Fourth Proportional to 81,675.17, 122,517.35 and 29,084.66

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Solution

The fourth proportional to 81,675.17, 122,517.35 and 29,084.66 is: 43,628.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,675.17 : 122,517.35 = 29,084.66 : x
  2. Step 2: Convert to fraction form
    81,675.17/122,517.35 = 29,084.66/x
  3. Step 3: Cross multiply
    81,675.17x = 122,517.35 × 29,084.66
  4. Step 4: Simplify right side
    81,675.17x = 3,563,375,468.85
  5. Step 5: Solve for x
    x = 3,563,375,468.85/81,675.17
  6. Step 6: Final answer
    x = 43,628.63

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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.