Home / 54,338.76-81,420.66-33,518.52

Finding the Fourth Proportional to 54,338.76, 81,420.66 and 33,518.52

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Solution

The fourth proportional to 54,338.76, 81,420.66 and 33,518.52 is: 50,223.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,338.76 : 81,420.66 = 33,518.52 : x
  2. Step 2: Convert to fraction form
    54,338.76/81,420.66 = 33,518.52/x
  3. Step 3: Cross multiply
    54,338.76x = 81,420.66 × 33,518.52
  4. Step 4: Simplify right side
    54,338.76x = 2,729,100,020.62
  5. Step 5: Solve for x
    x = 2,729,100,020.62/54,338.76
  6. Step 6: Final answer
    x = 50,223.82

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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.