Home / 106,635.50-159,908.59-43,412.63

Finding the Fourth Proportional to 106,635.50, 159,908.59 and 43,412.63

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Solution

The fourth proportional to 106,635.50, 159,908.59 and 43,412.63 is: 65,100.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,635.50 : 159,908.59 = 43,412.63 : x
  2. Step 2: Convert to fraction form
    106,635.50/159,908.59 = 43,412.63/x
  3. Step 3: Cross multiply
    106,635.50x = 159,908.59 × 43,412.63
  4. Step 4: Simplify right side
    106,635.50x = 6,942,052,033.86
  5. Step 5: Solve for x
    x = 6,942,052,033.86/106,635.50
  6. Step 6: Final answer
    x = 65,100.76

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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.