Home / 120,099.24-165,747.18-69,795

Finding the Fourth Proportional to 120,099.24, 165,747.18 and 69,795

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Solution

The fourth proportional to 120,099.24, 165,747.18 and 69,795 is: 96,323.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,099.24 : 165,747.18 = 69,795 : x
  2. Step 2: Convert to fraction form
    120,099.24/165,747.18 = 69,795/x
  3. Step 3: Cross multiply
    120,099.24x = 165,747.18 × 69,795
  4. Step 4: Simplify right side
    120,099.24x = 11,568,324,428.10
  5. Step 5: Solve for x
    x = 11,568,324,428.10/120,099.24
  6. Step 6: Final answer
    x = 96,323.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.