Home / 54,306.92-74,942.32-31,644.50

Finding the Fourth Proportional to 54,306.92, 74,942.32 and 31,644.50

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Solution

The fourth proportional to 54,306.92, 74,942.32 and 31,644.50 is: 43,668.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,306.92 : 74,942.32 = 31,644.50 : x
  2. Step 2: Convert to fraction form
    54,306.92/74,942.32 = 31,644.50/x
  3. Step 3: Cross multiply
    54,306.92x = 74,942.32 × 31,644.50
  4. Step 4: Simplify right side
    54,306.92x = 2,371,512,245.24
  5. Step 5: Solve for x
    x = 2,371,512,245.24/54,306.92
  6. Step 6: Final answer
    x = 43,668.69

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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.