Home / 79,458.09-109,648.67-43,645.97

Finding the Fourth Proportional to 79,458.09, 109,648.67 and 43,645.97

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Solution

The fourth proportional to 79,458.09, 109,648.67 and 43,645.97 is: 60,229.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,458.09 : 109,648.67 = 43,645.97 : x
  2. Step 2: Convert to fraction form
    79,458.09/109,648.67 = 43,645.97/x
  3. Step 3: Cross multiply
    79,458.09x = 109,648.67 × 43,645.97
  4. Step 4: Simplify right side
    79,458.09x = 4,785,721,794.89
  5. Step 5: Solve for x
    x = 4,785,721,794.89/79,458.09
  6. Step 6: Final answer
    x = 60,229.51

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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.