Home / 75,297.68-103,906.92-41,306.48

Finding the Fourth Proportional to 75,297.68, 103,906.92 and 41,306.48

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Solution

The fourth proportional to 75,297.68, 103,906.92 and 41,306.48 is: 57,000.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,297.68 : 103,906.92 = 41,306.48 : x
  2. Step 2: Convert to fraction form
    75,297.68/103,906.92 = 41,306.48/x
  3. Step 3: Cross multiply
    75,297.68x = 103,906.92 × 41,306.48
  4. Step 4: Simplify right side
    75,297.68x = 4,292,029,112.84
  5. Step 5: Solve for x
    x = 4,292,029,112.84/75,297.68
  6. Step 6: Final answer
    x = 57,000.81

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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.