Home / 54,243.08-81,395.40-29,282.84

Finding the Fourth Proportional to 54,243.08, 81,395.40 and 29,282.84

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Solution

The fourth proportional to 54,243.08, 81,395.40 and 29,282.84 is: 43,940.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,243.08 : 81,395.40 = 29,282.84 : x
  2. Step 2: Convert to fraction form
    54,243.08/81,395.40 = 29,282.84/x
  3. Step 3: Cross multiply
    54,243.08x = 81,395.40 × 29,282.84
  4. Step 4: Simplify right side
    54,243.08x = 2,383,488,474.94
  5. Step 5: Solve for x
    x = 2,383,488,474.94/54,243.08
  6. Step 6: Final answer
    x = 43,940.88

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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.