Home / 66,439.70-99,607.22-33,142.62

Finding the Fourth Proportional to 66,439.70, 99,607.22 and 33,142.62

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Solution

The fourth proportional to 66,439.70, 99,607.22 and 33,142.62 is: 49,687.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,439.70 : 99,607.22 = 33,142.62 : x
  2. Step 2: Convert to fraction form
    66,439.70/99,607.22 = 33,142.62/x
  3. Step 3: Cross multiply
    66,439.70x = 99,607.22 × 33,142.62
  4. Step 4: Simplify right side
    66,439.70x = 3,301,244,241.72
  5. Step 5: Solve for x
    x = 3,301,244,241.72/66,439.70
  6. Step 6: Final answer
    x = 49,687.83

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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.