Home / 81,755.22-122,631.60-22,589.58

Finding the Fourth Proportional to 81,755.22, 122,631.60 and 22,589.58

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Solution

The fourth proportional to 81,755.22, 122,631.60 and 22,589.58 is: 33,884.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,755.22 : 122,631.60 = 22,589.58 : x
  2. Step 2: Convert to fraction form
    81,755.22/122,631.60 = 22,589.58/x
  3. Step 3: Cross multiply
    81,755.22x = 122,631.60 × 22,589.58
  4. Step 4: Simplify right side
    81,755.22x = 2,770,196,338.73
  5. Step 5: Solve for x
    x = 2,770,196,338.73/81,755.22
  6. Step 6: Final answer
    x = 33,884.03

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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.