Home / 115,502.94-173,229.66-67,439.52

Finding the Fourth Proportional to 115,502.94, 173,229.66 and 67,439.52

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Solution

The fourth proportional to 115,502.94, 173,229.66 and 67,439.52 is: 101,144.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,502.94 : 173,229.66 = 67,439.52 : x
  2. Step 2: Convert to fraction form
    115,502.94/173,229.66 = 67,439.52/x
  3. Step 3: Cross multiply
    115,502.94x = 173,229.66 × 67,439.52
  4. Step 4: Simplify right side
    115,502.94x = 11,682,525,120.16
  5. Step 5: Solve for x
    x = 11,682,525,120.16/115,502.94
  6. Step 6: Final answer
    x = 101,144.83

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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.