Home / 67,037.49-100,556.22-17,115.79

Finding the Fourth Proportional to 67,037.49, 100,556.22 and 17,115.79

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Solution

The fourth proportional to 67,037.49, 100,556.22 and 17,115.79 is: 25,673.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,037.49 : 100,556.22 = 17,115.79 : x
  2. Step 2: Convert to fraction form
    67,037.49/100,556.22 = 17,115.79/x
  3. Step 3: Cross multiply
    67,037.49x = 100,556.22 × 17,115.79
  4. Step 4: Simplify right side
    67,037.49x = 1,721,099,144.71
  5. Step 5: Solve for x
    x = 1,721,099,144.71/67,037.49
  6. Step 6: Final answer
    x = 25,673.68

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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.