Home / 83,584.38-125,230.89-69,634.05

Finding the Fourth Proportional to 83,584.38, 125,230.89 and 69,634.05

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Solution

The fourth proportional to 83,584.38, 125,230.89 and 69,634.05 is: 104,329.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,584.38 : 125,230.89 = 69,634.05 : x
  2. Step 2: Convert to fraction form
    83,584.38/125,230.89 = 69,634.05/x
  3. Step 3: Cross multiply
    83,584.38x = 125,230.89 × 69,634.05
  4. Step 4: Simplify right side
    83,584.38x = 8,720,334,055.80
  5. Step 5: Solve for x
    x = 8,720,334,055.80/83,584.38
  6. Step 6: Final answer
    x = 104,329.71

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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.