Home / 83,539.89-125,335.82-27,380.49

Finding the Fourth Proportional to 83,539.89, 125,335.82 and 27,380.49

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Solution

The fourth proportional to 83,539.89, 125,335.82 and 27,380.49 is: 41,079.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,539.89 : 125,335.82 = 27,380.49 : x
  2. Step 2: Convert to fraction form
    83,539.89/125,335.82 = 27,380.49/x
  3. Step 3: Cross multiply
    83,539.89x = 125,335.82 × 27,380.49
  4. Step 4: Simplify right side
    83,539.89x = 3,431,756,166.15
  5. Step 5: Solve for x
    x = 3,431,756,166.15/83,539.89
  6. Step 6: Final answer
    x = 41,079.25

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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.