Home / 88,481.85-132,721.16-21,922.13

Finding the Fourth Proportional to 88,481.85, 132,721.16 and 21,922.13

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Solution

The fourth proportional to 88,481.85, 132,721.16 and 21,922.13 is: 32,882.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,481.85 : 132,721.16 = 21,922.13 : x
  2. Step 2: Convert to fraction form
    88,481.85/132,721.16 = 21,922.13/x
  3. Step 3: Cross multiply
    88,481.85x = 132,721.16 × 21,922.13
  4. Step 4: Simplify right side
    88,481.85x = 2,909,529,750.05
  5. Step 5: Solve for x
    x = 2,909,529,750.05/88,481.85
  6. Step 6: Final answer
    x = 32,882.79

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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.