Home / 68,265.03-102,331.39-26,112.66

Finding the Fourth Proportional to 68,265.03, 102,331.39 and 26,112.66

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Solution

The fourth proportional to 68,265.03, 102,331.39 and 26,112.66 is: 39,143.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,265.03 : 102,331.39 = 26,112.66 : x
  2. Step 2: Convert to fraction form
    68,265.03/102,331.39 = 26,112.66/x
  3. Step 3: Cross multiply
    68,265.03x = 102,331.39 × 26,112.66
  4. Step 4: Simplify right side
    68,265.03x = 2,672,144,794.40
  5. Step 5: Solve for x
    x = 2,672,144,794.40/68,265.03
  6. Step 6: Final answer
    x = 39,143.68

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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.