Home / 83,414.18-125,099.40-30,838.70

Finding the Fourth Proportional to 83,414.18, 125,099.40 and 30,838.70

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Solution

The fourth proportional to 83,414.18, 125,099.40 and 30,838.70 is: 46,249.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,414.18 : 125,099.40 = 30,838.70 : x
  2. Step 2: Convert to fraction form
    83,414.18/125,099.40 = 30,838.70/x
  3. Step 3: Cross multiply
    83,414.18x = 125,099.40 × 30,838.70
  4. Step 4: Simplify right side
    83,414.18x = 3,857,902,866.78
  5. Step 5: Solve for x
    x = 3,857,902,866.78/83,414.18
  6. Step 6: Final answer
    x = 46,249.96

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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.