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Finding the Fourth Proportional to 80,473.70, 120,662.55 and 49,331.30

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Solution

The fourth proportional to 80,473.70, 120,662.55 and 49,331.30 is: 73,967.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,473.70 : 120,662.55 = 49,331.30 : x
  2. Step 2: Convert to fraction form
    80,473.70/120,662.55 = 49,331.30/x
  3. Step 3: Cross multiply
    80,473.70x = 120,662.55 × 49,331.30
  4. Step 4: Simplify right side
    80,473.70x = 5,952,440,452.82
  5. Step 5: Solve for x
    x = 5,952,440,452.82/80,473.70
  6. Step 6: Final answer
    x = 73,967.53

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.