Home / 83,947.31-125,920.96-27,772.29

Finding the Fourth Proportional to 83,947.31, 125,920.96 and 27,772.29

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Solution

The fourth proportional to 83,947.31, 125,920.96 and 27,772.29 is: 41,658.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,947.31 : 125,920.96 = 27,772.29 : x
  2. Step 2: Convert to fraction form
    83,947.31/125,920.96 = 27,772.29/x
  3. Step 3: Cross multiply
    83,947.31x = 125,920.96 × 27,772.29
  4. Step 4: Simplify right side
    83,947.31x = 3,497,113,418.20
  5. Step 5: Solve for x
    x = 3,497,113,418.20/83,947.31
  6. Step 6: Final answer
    x = 41,658.43

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1.5x scale

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.