Home / 41,129.75-61,694.63-13,427.75

Finding the Fourth Proportional to 41,129.75, 61,694.63 and 13,427.75

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Solution

The fourth proportional to 41,129.75, 61,694.63 and 13,427.75 is: 20,141.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,129.75 : 61,694.63 = 13,427.75 : x
  2. Step 2: Convert to fraction form
    41,129.75/61,694.63 = 13,427.75/x
  3. Step 3: Cross multiply
    41,129.75x = 61,694.63 × 13,427.75
  4. Step 4: Simplify right side
    41,129.75x = 828,420,067.98
  5. Step 5: Solve for x
    x = 828,420,067.98/41,129.75
  6. Step 6: Final answer
    x = 20,141.63

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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.