Home / 109,920.91-164,769.27-43,324.06

Finding the Fourth Proportional to 109,920.91, 164,769.27 and 43,324.06

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Solution

The fourth proportional to 109,920.91, 164,769.27 and 43,324.06 is: 64,941.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,920.91 : 164,769.27 = 43,324.06 : x
  2. Step 2: Convert to fraction form
    109,920.91/164,769.27 = 43,324.06/x
  3. Step 3: Cross multiply
    109,920.91x = 164,769.27 × 43,324.06
  4. Step 4: Simplify right side
    109,920.91x = 7,138,472,915.79
  5. Step 5: Solve for x
    x = 7,138,472,915.79/109,920.91
  6. Step 6: Final answer
    x = 64,941.90

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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.