Home / 83,983.52-125,993.05-27,820.45

Finding the Fourth Proportional to 83,983.52, 125,993.05 and 27,820.45

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Solution

The fourth proportional to 83,983.52, 125,993.05 and 27,820.45 is: 41,736.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,983.52 : 125,993.05 = 27,820.45 : x
  2. Step 2: Convert to fraction form
    83,983.52/125,993.05 = 27,820.45/x
  3. Step 3: Cross multiply
    83,983.52x = 125,993.05 × 27,820.45
  4. Step 4: Simplify right side
    83,983.52x = 3,505,183,347.87
  5. Step 5: Solve for x
    x = 3,505,183,347.87/83,983.52
  6. Step 6: Final answer
    x = 41,736.56

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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.