Home / 74,218.44-111,327.75-18,058.56

Finding the Fourth Proportional to 74,218.44, 111,327.75 and 18,058.56

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Solution

The fourth proportional to 74,218.44, 111,327.75 and 18,058.56 is: 27,087.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,218.44 : 111,327.75 = 18,058.56 : x
  2. Step 2: Convert to fraction form
    74,218.44/111,327.75 = 18,058.56/x
  3. Step 3: Cross multiply
    74,218.44x = 111,327.75 × 18,058.56
  4. Step 4: Simplify right side
    74,218.44x = 2,010,418,668.30
  5. Step 5: Solve for x
    x = 2,010,418,668.30/74,218.44
  6. Step 6: Final answer
    x = 27,087.86

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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.