Home / 54,939.52-75,816.30-29,789.02

Finding the Fourth Proportional to 54,939.52, 75,816.30 and 29,789.02

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Solution

The fourth proportional to 54,939.52, 75,816.30 and 29,789.02 is: 41,108.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,939.52 : 75,816.30 = 29,789.02 : x
  2. Step 2: Convert to fraction form
    54,939.52/75,816.30 = 29,789.02/x
  3. Step 3: Cross multiply
    54,939.52x = 75,816.30 × 29,789.02
  4. Step 4: Simplify right side
    54,939.52x = 2,258,493,277.03
  5. Step 5: Solve for x
    x = 2,258,493,277.03/54,939.52
  6. Step 6: Final answer
    x = 41,108.72

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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.