Home / 109,760.97-164,622.32-30,856.44

Finding the Fourth Proportional to 109,760.97, 164,622.32 and 30,856.44

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Solution

The fourth proportional to 109,760.97, 164,622.32 and 30,856.44 is: 46,279.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,760.97 : 164,622.32 = 30,856.44 : x
  2. Step 2: Convert to fraction form
    109,760.97/164,622.32 = 30,856.44/x
  3. Step 3: Cross multiply
    109,760.97x = 164,622.32 × 30,856.44
  4. Step 4: Simplify right side
    109,760.97x = 5,079,658,585.46
  5. Step 5: Solve for x
    x = 5,079,658,585.46/109,760.97
  6. Step 6: Final answer
    x = 46,279.28

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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.