Home / 83,402.46-125,109.77-23,439.78

Finding the Fourth Proportional to 83,402.46, 125,109.77 and 23,439.78

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Solution

The fourth proportional to 83,402.46, 125,109.77 and 23,439.78 is: 35,161.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,402.46 : 125,109.77 = 23,439.78 : x
  2. Step 2: Convert to fraction form
    83,402.46/125,109.77 = 23,439.78/x
  3. Step 3: Cross multiply
    83,402.46x = 125,109.77 × 23,439.78
  4. Step 4: Simplify right side
    83,402.46x = 2,932,545,367.45
  5. Step 5: Solve for x
    x = 2,932,545,367.45/83,402.46
  6. Step 6: Final answer
    x = 35,161.38

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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.