Home / 54,756.41-82,138.05-23,160.56

Finding the Fourth Proportional to 54,756.41, 82,138.05 and 23,160.56

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Solution

The fourth proportional to 54,756.41, 82,138.05 and 23,160.56 is: 34,742.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,756.41 : 82,138.05 = 23,160.56 : x
  2. Step 2: Convert to fraction form
    54,756.41/82,138.05 = 23,160.56/x
  3. Step 3: Cross multiply
    54,756.41x = 82,138.05 × 23,160.56
  4. Step 4: Simplify right side
    54,756.41x = 1,902,362,824.62
  5. Step 5: Solve for x
    x = 1,902,362,824.62/54,756.41
  6. Step 6: Final answer
    x = 34,742.29

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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.