Home / 80,747.30-121,088.52-33,369.66

Finding the Fourth Proportional to 80,747.30, 121,088.52 and 33,369.66

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Solution

The fourth proportional to 80,747.30, 121,088.52 and 33,369.66 is: 50,041.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,747.30 : 121,088.52 = 33,369.66 : x
  2. Step 2: Convert to fraction form
    80,747.30/121,088.52 = 33,369.66/x
  3. Step 3: Cross multiply
    80,747.30x = 121,088.52 × 33,369.66
  4. Step 4: Simplify right side
    80,747.30x = 4,040,682,742.30
  5. Step 5: Solve for x
    x = 4,040,682,742.30/80,747.30
  6. Step 6: Final answer
    x = 50,041.09

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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.