Home / 68,259.44-102,382.23-18,333.05

Finding the Fourth Proportional to 68,259.44, 102,382.23 and 18,333.05

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Solution

The fourth proportional to 68,259.44, 102,382.23 and 18,333.05 is: 27,497.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,259.44 : 102,382.23 = 18,333.05 : x
  2. Step 2: Convert to fraction form
    68,259.44/102,382.23 = 18,333.05/x
  3. Step 3: Cross multiply
    68,259.44x = 102,382.23 × 18,333.05
  4. Step 4: Simplify right side
    68,259.44x = 1,876,978,541.70
  5. Step 5: Solve for x
    x = 1,876,978,541.70/68,259.44
  6. Step 6: Final answer
    x = 27,497.71

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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.