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Finding the Fourth Proportional to 79,802, 110,127.09 and 43,991.22

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Solution

The fourth proportional to 79,802, 110,127.09 and 43,991.22 is: 60,708.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,802 : 110,127.09 = 43,991.22 : x
  2. Step 2: Convert to fraction form
    79,802/110,127.09 = 43,991.22/x
  3. Step 3: Cross multiply
    79,802x = 110,127.09 × 43,991.22
  4. Step 4: Simplify right side
    79,802x = 4,844,625,044.15
  5. Step 5: Solve for x
    x = 4,844,625,044.15/79,802
  6. Step 6: Final answer
    x = 60,708.07

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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.