Home / 79,083.20-109,134.78-43,273.46

Finding the Fourth Proportional to 79,083.20, 109,134.78 and 43,273.46

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Solution

The fourth proportional to 79,083.20, 109,134.78 and 43,273.46 is: 59,717.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,083.20 : 109,134.78 = 43,273.46 : x
  2. Step 2: Convert to fraction form
    79,083.20/109,134.78 = 43,273.46/x
  3. Step 3: Cross multiply
    79,083.20x = 109,134.78 × 43,273.46
  4. Step 4: Simplify right side
    79,083.20x = 4,722,639,536.94
  5. Step 5: Solve for x
    x = 4,722,639,536.94/79,083.20
  6. Step 6: Final answer
    x = 59,717.36

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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.