Home / 87,966.06-132,065.82-84,933.42

Finding the Fourth Proportional to 87,966.06, 132,065.82 and 84,933.42

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Solution

The fourth proportional to 87,966.06, 132,065.82 and 84,933.42 is: 127,512.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,966.06 : 132,065.82 = 84,933.42 : x
  2. Step 2: Convert to fraction form
    87,966.06/132,065.82 = 84,933.42/x
  3. Step 3: Cross multiply
    87,966.06x = 132,065.82 × 84,933.42
  4. Step 4: Simplify right side
    87,966.06x = 11,216,801,757.70
  5. Step 5: Solve for x
    x = 11,216,801,757.70/87,966.06
  6. Step 6: Final answer
    x = 127,512.84

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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.