Home / 54,114.45-81,173.09-25,644.72

Finding the Fourth Proportional to 54,114.45, 81,173.09 and 25,644.72

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Solution

The fourth proportional to 54,114.45, 81,173.09 and 25,644.72 is: 38,467.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,114.45 : 81,173.09 = 25,644.72 : x
  2. Step 2: Convert to fraction form
    54,114.45/81,173.09 = 25,644.72/x
  3. Step 3: Cross multiply
    54,114.45x = 81,173.09 × 25,644.72
  4. Step 4: Simplify right side
    54,114.45x = 2,081,661,164.58
  5. Step 5: Solve for x
    x = 2,081,661,164.58/54,114.45
  6. Step 6: Final answer
    x = 38,467.75

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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.