Home / 54,987.20-75,882.24-29,836.64

Finding the Fourth Proportional to 54,987.20, 75,882.24 and 29,836.64

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Solution

The fourth proportional to 54,987.20, 75,882.24 and 29,836.64 is: 41,174.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,987.20 : 75,882.24 = 29,836.64 : x
  2. Step 2: Convert to fraction form
    54,987.20/75,882.24 = 29,836.64/x
  3. Step 3: Cross multiply
    54,987.20x = 75,882.24 × 29,836.64
  4. Step 4: Simplify right side
    54,987.20x = 2,264,071,077.27
  5. Step 5: Solve for x
    x = 2,264,071,077.27/54,987.20
  6. Step 6: Final answer
    x = 41,174.51

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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.