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Finding the Fourth Proportional to 79,773.65, 110,087.67 and 43,963.35

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Solution

The fourth proportional to 79,773.65, 110,087.67 and 43,963.35 is: 60,669.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,773.65 : 110,087.67 = 43,963.35 : x
  2. Step 2: Convert to fraction form
    79,773.65/110,087.67 = 43,963.35/x
  3. Step 3: Cross multiply
    79,773.65x = 110,087.67 × 43,963.35
  4. Step 4: Simplify right side
    79,773.65x = 4,839,822,766.89
  5. Step 5: Solve for x
    x = 4,839,822,766.89/79,773.65
  6. Step 6: Final answer
    x = 60,669.44

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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.