Home / 109,974.46-164,906.34-53,730.30

Finding the Fourth Proportional to 109,974.46, 164,906.34 and 53,730.30

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Solution

The fourth proportional to 109,974.46, 164,906.34 and 53,730.30 is: 80,568.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,974.46 : 164,906.34 = 53,730.30 : x
  2. Step 2: Convert to fraction form
    109,974.46/164,906.34 = 53,730.30/x
  3. Step 3: Cross multiply
    109,974.46x = 164,906.34 × 53,730.30
  4. Step 4: Simplify right side
    109,974.46x = 8,860,467,120.10
  5. Step 5: Solve for x
    x = 8,860,467,120.10/109,974.46
  6. Step 6: Final answer
    x = 80,568.41

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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.