Home / 67,083.09-100,623.60-17,162.75

Finding the Fourth Proportional to 67,083.09, 100,623.60 and 17,162.75

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Solution

The fourth proportional to 67,083.09, 100,623.60 and 17,162.75 is: 25,743.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,083.09 : 100,623.60 = 17,162.75 : x
  2. Step 2: Convert to fraction form
    67,083.09/100,623.60 = 17,162.75/x
  3. Step 3: Cross multiply
    67,083.09x = 100,623.60 × 17,162.75
  4. Step 4: Simplify right side
    67,083.09x = 1,726,977,942.46
  5. Step 5: Solve for x
    x = 1,726,977,942.46/67,083.09
  6. Step 6: Final answer
    x = 25,743.87

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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.