Home / 54,187.20-81,266.22-36,764.10

Finding the Fourth Proportional to 54,187.20, 81,266.22 and 36,764.10

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Solution

The fourth proportional to 54,187.20, 81,266.22 and 36,764.10 is: 55,136.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,187.20 : 81,266.22 = 36,764.10 : x
  2. Step 2: Convert to fraction form
    54,187.20/81,266.22 = 36,764.10/x
  3. Step 3: Cross multiply
    54,187.20x = 81,266.22 × 36,764.10
  4. Step 4: Simplify right side
    54,187.20x = 2,987,679,438.70
  5. Step 5: Solve for x
    x = 2,987,679,438.70/54,187.20
  6. Step 6: Final answer
    x = 55,136.26

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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.