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Finding the Fourth Proportional to 80,400.46, 110,959.44 and 44,602

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Solution

The fourth proportional to 80,400.46, 110,959.44 and 44,602 is: 61,554.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,400.46 : 110,959.44 = 44,602 : x
  2. Step 2: Convert to fraction form
    80,400.46/110,959.44 = 44,602/x
  3. Step 3: Cross multiply
    80,400.46x = 110,959.44 × 44,602
  4. Step 4: Simplify right side
    80,400.46x = 4,949,012,942.88
  5. Step 5: Solve for x
    x = 4,949,012,942.88/80,400.46
  6. Step 6: Final answer
    x = 61,554.54

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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.