Home / 68,401.67-102,636.52-38,397.24

Finding the Fourth Proportional to 68,401.67, 102,636.52 and 38,397.24

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Solution

The fourth proportional to 68,401.67, 102,636.52 and 38,397.24 is: 57,614.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,401.67 : 102,636.52 = 38,397.24 : x
  2. Step 2: Convert to fraction form
    68,401.67/102,636.52 = 38,397.24/x
  3. Step 3: Cross multiply
    68,401.67x = 102,636.52 × 38,397.24
  4. Step 4: Simplify right side
    68,401.67x = 3,940,958,995.21
  5. Step 5: Solve for x
    x = 3,940,958,995.21/68,401.67
  6. Step 6: Final answer
    x = 57,614.96

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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.