Home / 79,058.26-109,102.44-43,249.78

Finding the Fourth Proportional to 79,058.26, 109,102.44 and 43,249.78

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Solution

The fourth proportional to 79,058.26, 109,102.44 and 43,249.78 is: 59,685.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,058.26 : 109,102.44 = 43,249.78 : x
  2. Step 2: Convert to fraction form
    79,058.26/109,102.44 = 43,249.78/x
  3. Step 3: Cross multiply
    79,058.26x = 109,102.44 × 43,249.78
  4. Step 4: Simplify right side
    79,058.26x = 4,718,656,527.46
  5. Step 5: Solve for x
    x = 4,718,656,527.46/79,058.26
  6. Step 6: Final answer
    x = 59,685.81

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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.