Home / 83,188.46-124,711.97-36,406.38

Finding the Fourth Proportional to 83,188.46, 124,711.97 and 36,406.38

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Solution

The fourth proportional to 83,188.46, 124,711.97 and 36,406.38 is: 54,578.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,188.46 : 124,711.97 = 36,406.38 : x
  2. Step 2: Convert to fraction form
    83,188.46/124,711.97 = 36,406.38/x
  3. Step 3: Cross multiply
    83,188.46x = 124,711.97 × 36,406.38
  4. Step 4: Simplify right side
    83,188.46x = 4,540,311,370.37
  5. Step 5: Solve for x
    x = 4,540,311,370.37/83,188.46
  6. Step 6: Final answer
    x = 54,578.62

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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.