Home / 120,022-180,049.40-44,110.42

Finding the Fourth Proportional to 120,022, 180,049.40 and 44,110.42

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Solution

The fourth proportional to 120,022, 180,049.40 and 44,110.42 is: 66,171.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,022 : 180,049.40 = 44,110.42 : x
  2. Step 2: Convert to fraction form
    120,022/180,049.40 = 44,110.42/x
  3. Step 3: Cross multiply
    120,022x = 180,049.40 × 44,110.42
  4. Step 4: Simplify right side
    120,022x = 7,942,054,654.75
  5. Step 5: Solve for x
    x = 7,942,054,654.75/120,022
  6. Step 6: Final answer
    x = 66,171.66

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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.