Home / 106,625.03-159,928.25-43,451.78

Finding the Fourth Proportional to 106,625.03, 159,928.25 and 43,451.78

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Solution

The fourth proportional to 106,625.03, 159,928.25 and 43,451.78 is: 65,173.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,625.03 : 159,928.25 = 43,451.78 : x
  2. Step 2: Convert to fraction form
    106,625.03/159,928.25 = 43,451.78/x
  3. Step 3: Cross multiply
    106,625.03x = 159,928.25 × 43,451.78
  4. Step 4: Simplify right side
    106,625.03x = 6,949,166,117.88
  5. Step 5: Solve for x
    x = 6,949,166,117.88/106,625.03
  6. Step 6: Final answer
    x = 65,173.88

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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.