Home / 83,604.20-125,435.10-36,890.60

Finding the Fourth Proportional to 83,604.20, 125,435.10 and 36,890.60

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Solution

The fourth proportional to 83,604.20, 125,435.10 and 36,890.60 is: 55,348.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,604.20 : 125,435.10 = 36,890.60 : x
  2. Step 2: Convert to fraction form
    83,604.20/125,435.10 = 36,890.60/x
  3. Step 3: Cross multiply
    83,604.20x = 125,435.10 × 36,890.60
  4. Step 4: Simplify right side
    83,604.20x = 4,627,376,100.06
  5. Step 5: Solve for x
    x = 4,627,376,100.06/83,604.20
  6. Step 6: Final answer
    x = 55,348.61

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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.