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Finding the Fourth Proportional to 45,073, 67,610.78 and 12,241

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Solution

The fourth proportional to 45,073, 67,610.78 and 12,241 is: 18,361.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,073 : 67,610.78 = 12,241 : x
  2. Step 2: Convert to fraction form
    45,073/67,610.78 = 12,241/x
  3. Step 3: Cross multiply
    45,073x = 67,610.78 × 12,241
  4. Step 4: Simplify right side
    45,073x = 827,623,557.98
  5. Step 5: Solve for x
    x = 827,623,557.98/45,073
  6. Step 6: Final answer
    x = 18,361.85

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Why These Related Problems?

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