Home / 79,684.29-109,963.44-43,873.38

Finding the Fourth Proportional to 79,684.29, 109,963.44 and 43,873.38

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Solution

The fourth proportional to 79,684.29, 109,963.44 and 43,873.38 is: 60,544.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,684.29 : 109,963.44 = 43,873.38 : x
  2. Step 2: Convert to fraction form
    79,684.29/109,963.44 = 43,873.38/x
  3. Step 3: Cross multiply
    79,684.29x = 109,963.44 × 43,873.38
  4. Step 4: Simplify right side
    79,684.29x = 4,824,467,789.23
  5. Step 5: Solve for x
    x = 4,824,467,789.23/79,684.29
  6. Step 6: Final answer
    x = 60,544.78

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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.