Home / 83,919.44-125,878-33,999.12

Finding the Fourth Proportional to 83,919.44, 125,878 and 33,999.12

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Solution

The fourth proportional to 83,919.44, 125,878 and 33,999.12 is: 50,998.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,919.44 : 125,878 = 33,999.12 : x
  2. Step 2: Convert to fraction form
    83,919.44/125,878 = 33,999.12/x
  3. Step 3: Cross multiply
    83,919.44x = 125,878 × 33,999.12
  4. Step 4: Simplify right side
    83,919.44x = 4,279,741,227.36
  5. Step 5: Solve for x
    x = 4,279,741,227.36/83,919.44
  6. Step 6: Final answer
    x = 50,998.21

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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.