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Finding the Fourth Proportional to 80,497.12, 111,123.18 and 48,247.12

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Solution

The fourth proportional to 80,497.12, 111,123.18 and 48,247.12 is: 66,603.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,497.12 : 111,123.18 = 48,247.12 : x
  2. Step 2: Convert to fraction form
    80,497.12/111,123.18 = 48,247.12/x
  3. Step 3: Cross multiply
    80,497.12x = 111,123.18 × 48,247.12
  4. Step 4: Simplify right side
    80,497.12x = 5,361,373,400.24
  5. Step 5: Solve for x
    x = 5,361,373,400.24/80,497.12
  6. Step 6: Final answer
    x = 66,603.29

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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.