Home / 109,677.78-164,517.48-26,571.78

Finding the Fourth Proportional to 109,677.78, 164,517.48 and 26,571.78

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Solution

The fourth proportional to 109,677.78, 164,517.48 and 26,571.78 is: 39,857.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,677.78 : 164,517.48 = 26,571.78 : x
  2. Step 2: Convert to fraction form
    109,677.78/164,517.48 = 26,571.78/x
  3. Step 3: Cross multiply
    109,677.78x = 164,517.48 × 26,571.78
  4. Step 4: Simplify right side
    109,677.78x = 4,371,522,284.71
  5. Step 5: Solve for x
    x = 4,371,522,284.71/109,677.78
  6. Step 6: Final answer
    x = 39,857.87

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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.