Home / 109,414.08-164,121.11-34,586.78

Finding the Fourth Proportional to 109,414.08, 164,121.11 and 34,586.78

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Solution

The fourth proportional to 109,414.08, 164,121.11 and 34,586.78 is: 51,880.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,414.08 : 164,121.11 = 34,586.78 : x
  2. Step 2: Convert to fraction form
    109,414.08/164,121.11 = 34,586.78/x
  3. Step 3: Cross multiply
    109,414.08x = 164,121.11 × 34,586.78
  4. Step 4: Simplify right side
    109,414.08x = 5,676,420,724.93
  5. Step 5: Solve for x
    x = 5,676,420,724.93/109,414.08
  6. Step 6: Final answer
    x = 51,880.17

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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.