Home / 79,169.35-109,249.64-43,358.59

Finding the Fourth Proportional to 79,169.35, 109,249.64 and 43,358.59

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Solution

The fourth proportional to 79,169.35, 109,249.64 and 43,358.59 is: 59,832.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,169.35 : 109,249.64 = 43,358.59 : x
  2. Step 2: Convert to fraction form
    79,169.35/109,249.64 = 43,358.59/x
  3. Step 3: Cross multiply
    79,169.35x = 109,249.64 × 43,358.59
  4. Step 4: Simplify right side
    79,169.35x = 4,736,910,131.61
  5. Step 5: Solve for x
    x = 4,736,910,131.61/79,169.35
  6. Step 6: Final answer
    x = 59,832.63

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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.