Home / 82,396.61-123,562.94-28,351.02

Finding the Fourth Proportional to 82,396.61, 123,562.94 and 28,351.02

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Solution

The fourth proportional to 82,396.61, 123,562.94 and 28,351.02 is: 42,515.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,396.61 : 123,562.94 = 28,351.02 : x
  2. Step 2: Convert to fraction form
    82,396.61/123,562.94 = 28,351.02/x
  3. Step 3: Cross multiply
    82,396.61x = 123,562.94 × 28,351.02
  4. Step 4: Simplify right side
    82,396.61x = 3,503,135,241.44
  5. Step 5: Solve for x
    x = 3,503,135,241.44/82,396.61
  6. Step 6: Final answer
    x = 42,515.53

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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.