Home / 69,197.11-103,828.50-41,172.55

Finding the Fourth Proportional to 69,197.11, 103,828.50 and 41,172.55

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Solution

The fourth proportional to 69,197.11, 103,828.50 and 41,172.55 is: 61,778.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,197.11 : 103,828.50 = 41,172.55 : x
  2. Step 2: Convert to fraction form
    69,197.11/103,828.50 = 41,172.55/x
  3. Step 3: Cross multiply
    69,197.11x = 103,828.50 × 41,172.55
  4. Step 4: Simplify right side
    69,197.11x = 4,274,884,107.68
  5. Step 5: Solve for x
    x = 4,274,884,107.68/69,197.11
  6. Step 6: Final answer
    x = 61,778.36

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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.