Home / 83,435.25-125,198.43-35,396.43

Finding the Fourth Proportional to 83,435.25, 125,198.43 and 35,396.43

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Solution

The fourth proportional to 83,435.25, 125,198.43 and 35,396.43 is: 53,113.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,435.25 : 125,198.43 = 35,396.43 : x
  2. Step 2: Convert to fraction form
    83,435.25/125,198.43 = 35,396.43/x
  3. Step 3: Cross multiply
    83,435.25x = 125,198.43 × 35,396.43
  4. Step 4: Simplify right side
    83,435.25x = 4,431,577,463.60
  5. Step 5: Solve for x
    x = 4,431,577,463.60/83,435.25
  6. Step 6: Final answer
    x = 53,113.97

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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.