Home / 83,560.11-125,419.73-51,874.26

Finding the Fourth Proportional to 83,560.11, 125,419.73 and 51,874.26

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Solution

The fourth proportional to 83,560.11, 125,419.73 and 51,874.26 is: 77,860.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,560.11 : 125,419.73 = 51,874.26 : x
  2. Step 2: Convert to fraction form
    83,560.11/125,419.73 = 51,874.26/x
  3. Step 3: Cross multiply
    83,560.11x = 125,419.73 × 51,874.26
  4. Step 4: Simplify right side
    83,560.11x = 6,506,055,683.15
  5. Step 5: Solve for x
    x = 6,506,055,683.15/83,560.11
  6. Step 6: Final answer
    x = 77,860.78

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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.