Home / 67,037.88-100,556.78-17,117.98

Finding the Fourth Proportional to 67,037.88, 100,556.78 and 17,117.98

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Solution

The fourth proportional to 67,037.88, 100,556.78 and 17,117.98 is: 25,676.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,037.88 : 100,556.78 = 17,117.98 : x
  2. Step 2: Convert to fraction form
    67,037.88/100,556.78 = 17,117.98/x
  3. Step 3: Cross multiply
    67,037.88x = 100,556.78 × 17,117.98
  4. Step 4: Simplify right side
    67,037.88x = 1,721,328,948.90
  5. Step 5: Solve for x
    x = 1,721,328,948.90/67,037.88
  6. Step 6: Final answer
    x = 25,676.96

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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.