Home / 83,414.79-125,138.52-30,824.73

Finding the Fourth Proportional to 83,414.79, 125,138.52 and 30,824.73

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Solution

The fourth proportional to 83,414.79, 125,138.52 and 30,824.73 is: 46,243.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,414.79 : 125,138.52 = 30,824.73 : x
  2. Step 2: Convert to fraction form
    83,414.79/125,138.52 = 30,824.73/x
  3. Step 3: Cross multiply
    83,414.79x = 125,138.52 × 30,824.73
  4. Step 4: Simplify right side
    83,414.79x = 3,857,361,091.60
  5. Step 5: Solve for x
    x = 3,857,361,091.60/83,414.79
  6. Step 6: Final answer
    x = 46,243.13

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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.