Home / 68,608.13-102,805.91-47,589.03

Finding the Fourth Proportional to 68,608.13, 102,805.91 and 47,589.03

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Solution

The fourth proportional to 68,608.13, 102,805.91 and 47,589.03 is: 71,309.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,608.13 : 102,805.91 = 47,589.03 : x
  2. Step 2: Convert to fraction form
    68,608.13/102,805.91 = 47,589.03/x
  3. Step 3: Cross multiply
    68,608.13x = 102,805.91 × 47,589.03
  4. Step 4: Simplify right side
    68,608.13x = 4,892,433,475.68
  5. Step 5: Solve for x
    x = 4,892,433,475.68/68,608.13
  6. Step 6: Final answer
    x = 71,309.83

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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.