Home / 83,286.11-124,984.52-38,916.33

Finding the Fourth Proportional to 83,286.11, 124,984.52 and 38,916.33

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Solution

The fourth proportional to 83,286.11, 124,984.52 and 38,916.33 is: 58,400.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,286.11 : 124,984.52 = 38,916.33 : x
  2. Step 2: Convert to fraction form
    83,286.11/124,984.52 = 38,916.33/x
  3. Step 3: Cross multiply
    83,286.11x = 124,984.52 × 38,916.33
  4. Step 4: Simplify right side
    83,286.11x = 4,863,938,630.63
  5. Step 5: Solve for x
    x = 4,863,938,630.63/83,286.11
  6. Step 6: Final answer
    x = 58,400.36

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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.