Home / 74,198.97-102,399.63-41,922.42

Finding the Fourth Proportional to 74,198.97, 102,399.63 and 41,922.42

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Solution

The fourth proportional to 74,198.97, 102,399.63 and 41,922.42 is: 57,855.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,198.97 : 102,399.63 = 41,922.42 : x
  2. Step 2: Convert to fraction form
    74,198.97/102,399.63 = 41,922.42/x
  3. Step 3: Cross multiply
    74,198.97x = 102,399.63 × 41,922.42
  4. Step 4: Simplify right side
    74,198.97x = 4,292,840,296.70
  5. Step 5: Solve for x
    x = 4,292,840,296.70/74,198.97
  6. Step 6: Final answer
    x = 57,855.79

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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.