Home / 54,505.10-81,789.18-22,912.66

Finding the Fourth Proportional to 54,505.10, 81,789.18 and 22,912.66

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Solution

The fourth proportional to 54,505.10, 81,789.18 and 22,912.66 is: 34,382.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,505.10 : 81,789.18 = 22,912.66 : x
  2. Step 2: Convert to fraction form
    54,505.10/81,789.18 = 22,912.66/x
  3. Step 3: Cross multiply
    54,505.10x = 81,789.18 × 22,912.66
  4. Step 4: Simplify right side
    54,505.10x = 1,874,007,673.02
  5. Step 5: Solve for x
    x = 1,874,007,673.02/54,505.10
  6. Step 6: Final answer
    x = 34,382.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.