Home / 75,190.56-103,764-41,198.36

Finding the Fourth Proportional to 75,190.56, 103,764 and 41,198.36

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Solution

The fourth proportional to 75,190.56, 103,764 and 41,198.36 is: 56,854.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,190.56 : 103,764 = 41,198.36 : x
  2. Step 2: Convert to fraction form
    75,190.56/103,764 = 41,198.36/x
  3. Step 3: Cross multiply
    75,190.56x = 103,764 × 41,198.36
  4. Step 4: Simplify right side
    75,190.56x = 4,274,906,627.04
  5. Step 5: Solve for x
    x = 4,274,906,627.04/75,190.56
  6. Step 6: Final answer
    x = 56,854.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.