Home / 83,189.14-114,805.66-54,874.78

Finding the Fourth Proportional to 83,189.14, 114,805.66 and 54,874.78

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Solution

The fourth proportional to 83,189.14, 114,805.66 and 54,874.78 is: 75,730.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,189.14 : 114,805.66 = 54,874.78 : x
  2. Step 2: Convert to fraction form
    83,189.14/114,805.66 = 54,874.78/x
  3. Step 3: Cross multiply
    83,189.14x = 114,805.66 × 54,874.78
  4. Step 4: Simplify right side
    83,189.14x = 6,299,935,335.25
  5. Step 5: Solve for x
    x = 6,299,935,335.25/83,189.14
  6. Step 6: Final answer
    x = 75,730.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.