Home / 67,231.16-100,823.22-19,833.68

Finding the Fourth Proportional to 67,231.16, 100,823.22 and 19,833.68

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Solution

The fourth proportional to 67,231.16, 100,823.22 and 19,833.68 is: 29,743.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,231.16 : 100,823.22 = 19,833.68 : x
  2. Step 2: Convert to fraction form
    67,231.16/100,823.22 = 19,833.68/x
  3. Step 3: Cross multiply
    67,231.16x = 100,823.22 × 19,833.68
  4. Step 4: Simplify right side
    67,231.16x = 1,999,694,977.93
  5. Step 5: Solve for x
    x = 1,999,694,977.93/67,231.16
  6. Step 6: Final answer
    x = 29,743.58

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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.