Home / 54,939.73-75,816.87-29,789.23

Finding the Fourth Proportional to 54,939.73, 75,816.87 and 29,789.23

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Solution

The fourth proportional to 54,939.73, 75,816.87 and 29,789.23 is: 41,109.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,939.73 : 75,816.87 = 29,789.23 : x
  2. Step 2: Convert to fraction form
    54,939.73/75,816.87 = 29,789.23/x
  3. Step 3: Cross multiply
    54,939.73x = 75,816.87 × 29,789.23
  4. Step 4: Simplify right side
    54,939.73x = 2,258,526,178.31
  5. Step 5: Solve for x
    x = 2,258,526,178.31/54,939.73
  6. Step 6: Final answer
    x = 41,109.16

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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.