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Finding the Fourth Proportional to 80,474.45, 111,054.71 and 44,664.44

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Solution

The fourth proportional to 80,474.45, 111,054.71 and 44,664.44 is: 61,636.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,474.45 : 111,054.71 = 44,664.44 : x
  2. Step 2: Convert to fraction form
    80,474.45/111,054.71 = 44,664.44/x
  3. Step 3: Cross multiply
    80,474.45x = 111,054.71 × 44,664.44
  4. Step 4: Simplify right side
    80,474.45x = 4,960,195,987.90
  5. Step 5: Solve for x
    x = 4,960,195,987.90/80,474.45
  6. Step 6: Final answer
    x = 61,636.91

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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.