Home / 126,058.25-189,087.38-47,209.61

Finding the Fourth Proportional to 126,058.25, 189,087.38 and 47,209.61

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Solution

The fourth proportional to 126,058.25, 189,087.38 and 47,209.61 is: 70,814.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,058.25 : 189,087.38 = 47,209.61 : x
  2. Step 2: Convert to fraction form
    126,058.25/189,087.38 = 47,209.61/x
  3. Step 3: Cross multiply
    126,058.25x = 189,087.38 × 47,209.61
  4. Step 4: Simplify right side
    126,058.25x = 8,926,741,465.72
  5. Step 5: Solve for x
    x = 8,926,741,465.72/126,058.25
  6. Step 6: Final answer
    x = 70,814.42

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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.