Home / 83,086.20-124,629.30-33,838.20

Finding the Fourth Proportional to 83,086.20, 124,629.30 and 33,838.20

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Solution

The fourth proportional to 83,086.20, 124,629.30 and 33,838.20 is: 50,757.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,086.20 : 124,629.30 = 33,838.20 : x
  2. Step 2: Convert to fraction form
    83,086.20/124,629.30 = 33,838.20/x
  3. Step 3: Cross multiply
    83,086.20x = 124,629.30 × 33,838.20
  4. Step 4: Simplify right side
    83,086.20x = 4,217,231,179.26
  5. Step 5: Solve for x
    x = 4,217,231,179.26/83,086.20
  6. Step 6: Final answer
    x = 50,757.30

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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.