Home / 120,770.54-181,178.82-48,729.16

Finding the Fourth Proportional to 120,770.54, 181,178.82 and 48,729.16

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Solution

The fourth proportional to 120,770.54, 181,178.82 and 48,729.16 is: 73,103.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,770.54 : 181,178.82 = 48,729.16 : x
  2. Step 2: Convert to fraction form
    120,770.54/181,178.82 = 48,729.16/x
  3. Step 3: Cross multiply
    120,770.54x = 181,178.82 × 48,729.16
  4. Step 4: Simplify right side
    120,770.54x = 8,828,691,464.75
  5. Step 5: Solve for x
    x = 8,828,691,464.75/120,770.54
  6. Step 6: Final answer
    x = 73,103.03

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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.