Home / 79,534.73-109,758.31-43,727.06

Finding the Fourth Proportional to 79,534.73, 109,758.31 and 43,727.06

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Solution

The fourth proportional to 79,534.73, 109,758.31 and 43,727.06 is: 60,343.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,534.73 : 109,758.31 = 43,727.06 : x
  2. Step 2: Convert to fraction form
    79,534.73/109,758.31 = 43,727.06/x
  3. Step 3: Cross multiply
    79,534.73x = 109,758.31 × 43,727.06
  4. Step 4: Simplify right side
    79,534.73x = 4,799,408,371.95
  5. Step 5: Solve for x
    x = 4,799,408,371.95/79,534.73
  6. Step 6: Final answer
    x = 60,343.55

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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.