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Finding the Fourth Proportional to 80,644.44, 111,290.04 and 44,835.15

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Solution

The fourth proportional to 80,644.44, 111,290.04 and 44,835.15 is: 61,872.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,644.44 : 111,290.04 = 44,835.15 : x
  2. Step 2: Convert to fraction form
    80,644.44/111,290.04 = 44,835.15/x
  3. Step 3: Cross multiply
    80,644.44x = 111,290.04 × 44,835.15
  4. Step 4: Simplify right side
    80,644.44x = 4,989,705,636.91
  5. Step 5: Solve for x
    x = 4,989,705,636.91/80,644.44
  6. Step 6: Final answer
    x = 61,872.90

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1.5x scale

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.