Home / 106,445.10-159,680.38-43,251.72

Finding the Fourth Proportional to 106,445.10, 159,680.38 and 43,251.72

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Solution

The fourth proportional to 106,445.10, 159,680.38 and 43,251.72 is: 64,882.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,445.10 : 159,680.38 = 43,251.72 : x
  2. Step 2: Convert to fraction form
    106,445.10/159,680.38 = 43,251.72/x
  3. Step 3: Cross multiply
    106,445.10x = 159,680.38 × 43,251.72
  4. Step 4: Simplify right side
    106,445.10x = 6,906,451,085.25
  5. Step 5: Solve for x
    x = 6,906,451,085.25/106,445.10
  6. Step 6: Final answer
    x = 64,882.75

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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.