Home / 54,540.78-81,812.96-15,094.59

Finding the Fourth Proportional to 54,540.78, 81,812.96 and 15,094.59

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Solution

The fourth proportional to 54,540.78, 81,812.96 and 15,094.59 is: 22,642.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,540.78 : 81,812.96 = 15,094.59 : x
  2. Step 2: Convert to fraction form
    54,540.78/81,812.96 = 15,094.59/x
  3. Step 3: Cross multiply
    54,540.78x = 81,812.96 × 15,094.59
  4. Step 4: Simplify right side
    54,540.78x = 1,234,933,012.41
  5. Step 5: Solve for x
    x = 1,234,933,012.41/54,540.78
  6. Step 6: Final answer
    x = 22,642.38

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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.