Home / 68,728.89-103,064.18-24,366.81

Finding the Fourth Proportional to 68,728.89, 103,064.18 and 24,366.81

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Solution

The fourth proportional to 68,728.89, 103,064.18 and 24,366.81 is: 36,539.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,728.89 : 103,064.18 = 24,366.81 : x
  2. Step 2: Convert to fraction form
    68,728.89/103,064.18 = 24,366.81/x
  3. Step 3: Cross multiply
    68,728.89x = 103,064.18 × 24,366.81
  4. Step 4: Simplify right side
    68,728.89x = 2,511,345,170.03
  5. Step 5: Solve for x
    x = 2,511,345,170.03/68,728.89
  6. Step 6: Final answer
    x = 36,539.88

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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.