Home / 83,186.82-124,793.19-49,899.06

Finding the Fourth Proportional to 83,186.82, 124,793.19 and 49,899.06

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Solution

The fourth proportional to 83,186.82, 124,793.19 and 49,899.06 is: 74,856.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,186.82 : 124,793.19 = 49,899.06 : x
  2. Step 2: Convert to fraction form
    83,186.82/124,793.19 = 49,899.06/x
  3. Step 3: Cross multiply
    83,186.82x = 124,793.19 × 49,899.06
  4. Step 4: Simplify right side
    83,186.82x = 6,227,062,875.40
  5. Step 5: Solve for x
    x = 6,227,062,875.40/83,186.82
  6. Step 6: Final answer
    x = 74,856.36

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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.