Home / 73,589.40-110,270.70-54,781.20

Finding the Fourth Proportional to 73,589.40, 110,270.70 and 54,781.20

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Solution

The fourth proportional to 73,589.40, 110,270.70 and 54,781.20 is: 82,087.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,589.40 : 110,270.70 = 54,781.20 : x
  2. Step 2: Convert to fraction form
    73,589.40/110,270.70 = 54,781.20/x
  3. Step 3: Cross multiply
    73,589.40x = 110,270.70 × 54,781.20
  4. Step 4: Simplify right side
    73,589.40x = 6,040,761,270.84
  5. Step 5: Solve for x
    x = 6,040,761,270.84/73,589.40
  6. Step 6: Final answer
    x = 82,087.38

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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.