Home / 83,634.89-125,476.97-33,689.30

Finding the Fourth Proportional to 83,634.89, 125,476.97 and 33,689.30

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Solution

The fourth proportional to 83,634.89, 125,476.97 and 33,689.30 is: 50,543.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,634.89 : 125,476.97 = 33,689.30 : x
  2. Step 2: Convert to fraction form
    83,634.89/125,476.97 = 33,689.30/x
  3. Step 3: Cross multiply
    83,634.89x = 125,476.97 × 33,689.30
  4. Step 4: Simplify right side
    83,634.89x = 4,227,230,489.59
  5. Step 5: Solve for x
    x = 4,227,230,489.59/83,634.89
  6. Step 6: Final answer
    x = 50,543.87

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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.