Home / 83,983.77-125,982.27-27,821.61

Finding the Fourth Proportional to 83,983.77, 125,982.27 and 27,821.61

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Solution

The fourth proportional to 83,983.77, 125,982.27 and 27,821.61 is: 41,734.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,983.77 : 125,982.27 = 27,821.61 : x
  2. Step 2: Convert to fraction form
    83,983.77/125,982.27 = 27,821.61/x
  3. Step 3: Cross multiply
    83,983.77x = 125,982.27 × 27,821.61
  4. Step 4: Simplify right side
    83,983.77x = 3,505,029,582.85
  5. Step 5: Solve for x
    x = 3,505,029,582.85/83,983.77
  6. Step 6: Final answer
    x = 41,734.61

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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.