Home / 68,382.30-102,584.25-28,939.62

Finding the Fourth Proportional to 68,382.30, 102,584.25 and 28,939.62

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Solution

The fourth proportional to 68,382.30, 102,584.25 and 28,939.62 is: 43,414.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,382.30 : 102,584.25 = 28,939.62 : x
  2. Step 2: Convert to fraction form
    68,382.30/102,584.25 = 28,939.62/x
  3. Step 3: Cross multiply
    68,382.30x = 102,584.25 × 28,939.62
  4. Step 4: Simplify right side
    68,382.30x = 2,968,749,212.99
  5. Step 5: Solve for x
    x = 2,968,749,212.99/68,382.30
  6. Step 6: Final answer
    x = 43,414.00

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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.