Home / 106,451.30-159,676.97-43,305.77

Finding the Fourth Proportional to 106,451.30, 159,676.97 and 43,305.77

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Solution

The fourth proportional to 106,451.30, 159,676.97 and 43,305.77 is: 64,958.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,451.30 : 159,676.97 = 43,305.77 : x
  2. Step 2: Convert to fraction form
    106,451.30/159,676.97 = 43,305.77/x
  3. Step 3: Cross multiply
    106,451.30x = 159,676.97 × 43,305.77
  4. Step 4: Simplify right side
    106,451.30x = 6,914,934,563.38
  5. Step 5: Solve for x
    x = 6,914,934,563.38/106,451.30
  6. Step 6: Final answer
    x = 64,958.67

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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.