Home / 79,351.73-109,512.31-43,548.65

Finding the Fourth Proportional to 79,351.73, 109,512.31 and 43,548.65

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Solution

The fourth proportional to 79,351.73, 109,512.31 and 43,548.65 is: 60,100.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,351.73 : 109,512.31 = 43,548.65 : x
  2. Step 2: Convert to fraction form
    79,351.73/109,512.31 = 43,548.65/x
  3. Step 3: Cross multiply
    79,351.73x = 109,512.31 × 43,548.65
  4. Step 4: Simplify right side
    79,351.73x = 4,769,113,258.88
  5. Step 5: Solve for x
    x = 4,769,113,258.88/79,351.73
  6. Step 6: Final answer
    x = 60,100.94

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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.