Home / 54,629.91-75,390.68-30,757.43

Finding the Fourth Proportional to 54,629.91, 75,390.68 and 30,757.43

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Solution

The fourth proportional to 54,629.91, 75,390.68 and 30,757.43 is: 42,446.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,629.91 : 75,390.68 = 30,757.43 : x
  2. Step 2: Convert to fraction form
    54,629.91/75,390.68 = 30,757.43/x
  3. Step 3: Cross multiply
    54,629.91x = 75,390.68 × 30,757.43
  4. Step 4: Simplify right side
    54,629.91x = 2,318,823,562.75
  5. Step 5: Solve for x
    x = 2,318,823,562.75/54,629.91
  6. Step 6: Final answer
    x = 42,446.04

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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.