Home / 54,811.38-75,639.77-29,660.88

Finding the Fourth Proportional to 54,811.38, 75,639.77 and 29,660.88

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Solution

The fourth proportional to 54,811.38, 75,639.77 and 29,660.88 is: 40,932.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,811.38 : 75,639.77 = 29,660.88 : x
  2. Step 2: Convert to fraction form
    54,811.38/75,639.77 = 29,660.88/x
  3. Step 3: Cross multiply
    54,811.38x = 75,639.77 × 29,660.88
  4. Step 4: Simplify right side
    54,811.38x = 2,243,542,141.20
  5. Step 5: Solve for x
    x = 2,243,542,141.20/54,811.38
  6. Step 6: Final answer
    x = 40,932.05

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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.