Home / 54,231.27-74,800.58-49,769.43

Finding the Fourth Proportional to 54,231.27, 74,800.58 and 49,769.43

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Solution

The fourth proportional to 54,231.27, 74,800.58 and 49,769.43 is: 68,646.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,231.27 : 74,800.58 = 49,769.43 : x
  2. Step 2: Convert to fraction form
    54,231.27/74,800.58 = 49,769.43/x
  3. Step 3: Cross multiply
    54,231.27x = 74,800.58 × 49,769.43
  4. Step 4: Simplify right side
    54,231.27x = 3,722,781,981.42
  5. Step 5: Solve for x
    x = 3,722,781,981.42/54,231.27
  6. Step 6: Final answer
    x = 68,646.41

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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.