Home / 54,290.88-81,432.47-16,850.06

Finding the Fourth Proportional to 54,290.88, 81,432.47 and 16,850.06

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Solution

The fourth proportional to 54,290.88, 81,432.47 and 16,850.06 is: 25,273.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,290.88 : 81,432.47 = 16,850.06 : x
  2. Step 2: Convert to fraction form
    54,290.88/81,432.47 = 16,850.06/x
  3. Step 3: Cross multiply
    54,290.88x = 81,432.47 × 16,850.06
  4. Step 4: Simplify right side
    54,290.88x = 1,372,141,514.04
  5. Step 5: Solve for x
    x = 1,372,141,514.04/54,290.88
  6. Step 6: Final answer
    x = 25,273.89

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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.