Home / 79,276.05-109,400.94-43,469.37

Finding the Fourth Proportional to 79,276.05, 109,400.94 and 43,469.37

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Solution

The fourth proportional to 79,276.05, 109,400.94 and 43,469.37 is: 59,987.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,276.05 : 109,400.94 = 43,469.37 : x
  2. Step 2: Convert to fraction form
    79,276.05/109,400.94 = 43,469.37/x
  3. Step 3: Cross multiply
    79,276.05x = 109,400.94 × 43,469.37
  4. Step 4: Simplify right side
    79,276.05x = 4,755,589,939.21
  5. Step 5: Solve for x
    x = 4,755,589,939.21/79,276.05
  6. Step 6: Final answer
    x = 59,987.73

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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.