Home / 74,365.82-102,578.09-44,129.73

Finding the Fourth Proportional to 74,365.82, 102,578.09 and 44,129.73

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Solution

The fourth proportional to 74,365.82, 102,578.09 and 44,129.73 is: 60,871.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,365.82 : 102,578.09 = 44,129.73 : x
  2. Step 2: Convert to fraction form
    74,365.82/102,578.09 = 44,129.73/x
  3. Step 3: Cross multiply
    74,365.82x = 102,578.09 × 44,129.73
  4. Step 4: Simplify right side
    74,365.82x = 4,526,743,194.97
  5. Step 5: Solve for x
    x = 4,526,743,194.97/74,365.82
  6. Step 6: Final answer
    x = 60,871.29

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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.