Home / 106,626.03-159,929.74-43,452.78

Finding the Fourth Proportional to 106,626.03, 159,929.74 and 43,452.78

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Solution

The fourth proportional to 106,626.03, 159,929.74 and 43,452.78 is: 65,175.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,626.03 : 159,929.74 = 43,452.78 : x
  2. Step 2: Convert to fraction form
    106,626.03/159,929.74 = 43,452.78/x
  3. Step 3: Cross multiply
    106,626.03x = 159,929.74 × 43,452.78
  4. Step 4: Simplify right side
    106,626.03x = 6,949,391,807.68
  5. Step 5: Solve for x
    x = 6,949,391,807.68/106,626.03
  6. Step 6: Final answer
    x = 65,175.38

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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.