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Finding the Fourth Proportional to 79,569, 109,805.22 and 43,761.33

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Solution

The fourth proportional to 79,569, 109,805.22 and 43,761.33 is: 60,390.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,569 : 109,805.22 = 43,761.33 : x
  2. Step 2: Convert to fraction form
    79,569/109,805.22 = 43,761.33/x
  3. Step 3: Cross multiply
    79,569x = 109,805.22 × 43,761.33
  4. Step 4: Simplify right side
    79,569x = 4,805,222,468.14
  5. Step 5: Solve for x
    x = 4,805,222,468.14/79,569
  6. Step 6: Final answer
    x = 60,390.64

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.