Home / 109,721.22-164,581.86-26,614.50

Finding the Fourth Proportional to 109,721.22, 164,581.86 and 26,614.50

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Solution

The fourth proportional to 109,721.22, 164,581.86 and 26,614.50 is: 39,921.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,721.22 : 164,581.86 = 26,614.50 : x
  2. Step 2: Convert to fraction form
    109,721.22/164,581.86 = 26,614.50/x
  3. Step 3: Cross multiply
    109,721.22x = 164,581.86 × 26,614.50
  4. Step 4: Simplify right side
    109,721.22x = 4,380,263,912.97
  5. Step 5: Solve for x
    x = 4,380,263,912.97/109,721.22
  6. Step 6: Final answer
    x = 39,921.76

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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.