Home / 109,772.62-164,622.03-43,195.30

Finding the Fourth Proportional to 109,772.62, 164,622.03 and 43,195.30

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Solution

The fourth proportional to 109,772.62, 164,622.03 and 43,195.30 is: 64,778.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,772.62 : 164,622.03 = 43,195.30 : x
  2. Step 2: Convert to fraction form
    109,772.62/164,622.03 = 43,195.30/x
  3. Step 3: Cross multiply
    109,772.62x = 164,622.03 × 43,195.30
  4. Step 4: Simplify right side
    109,772.62x = 7,110,897,972.46
  5. Step 5: Solve for x
    x = 7,110,897,972.46/109,772.62
  6. Step 6: Final answer
    x = 64,778.43

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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.