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Finding the Fourth Proportional to 67,891.56, 101,902.14 and 41,647.56

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Solution

The fourth proportional to 67,891.56, 101,902.14 and 41,647.56 is: 62,511.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,891.56 : 101,902.14 = 41,647.56 : x
  2. Step 2: Convert to fraction form
    67,891.56/101,902.14 = 41,647.56/x
  3. Step 3: Cross multiply
    67,891.56x = 101,902.14 × 41,647.56
  4. Step 4: Simplify right side
    67,891.56x = 4,243,975,489.78
  5. Step 5: Solve for x
    x = 4,243,975,489.78/67,891.56
  6. Step 6: Final answer
    x = 62,511.09

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1.5x scale

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.