Home / 54,942.30-75,748.77-54,198.72

Finding the Fourth Proportional to 54,942.30, 75,748.77 and 54,198.72

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Solution

The fourth proportional to 54,942.30, 75,748.77 and 54,198.72 is: 74,723.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,942.30 : 75,748.77 = 54,198.72 : x
  2. Step 2: Convert to fraction form
    54,942.30/75,748.77 = 54,198.72/x
  3. Step 3: Cross multiply
    54,942.30x = 75,748.77 × 54,198.72
  4. Step 4: Simplify right side
    54,942.30x = 4,105,486,375.57
  5. Step 5: Solve for x
    x = 4,105,486,375.57/54,942.30
  6. Step 6: Final answer
    x = 74,723.60

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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.