Home / 54,754.05-82,269.47-52,539.72

Finding the Fourth Proportional to 54,754.05, 82,269.47 and 52,539.72

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Solution

The fourth proportional to 54,754.05, 82,269.47 and 52,539.72 is: 78,942.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,754.05 : 82,269.47 = 52,539.72 : x
  2. Step 2: Convert to fraction form
    54,754.05/82,269.47 = 52,539.72/x
  3. Step 3: Cross multiply
    54,754.05x = 82,269.47 × 52,539.72
  4. Step 4: Simplify right side
    54,754.05x = 4,322,414,918.35
  5. Step 5: Solve for x
    x = 4,322,414,918.35/54,754.05
  6. Step 6: Final answer
    x = 78,942.38

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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.