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Finding the Fourth Proportional to 79,753.17, 110,059.29 and 43,943.18

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Solution

The fourth proportional to 79,753.17, 110,059.29 and 43,943.18 is: 60,641.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,753.17 : 110,059.29 = 43,943.18 : x
  2. Step 2: Convert to fraction form
    79,753.17/110,059.29 = 43,943.18/x
  3. Step 3: Cross multiply
    79,753.17x = 110,059.29 × 43,943.18
  4. Step 4: Simplify right side
    79,753.17x = 4,836,354,640.85
  5. Step 5: Solve for x
    x = 4,836,354,640.85/79,753.17
  6. Step 6: Final answer
    x = 60,641.53

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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.