Home / 54,135.10-75,034-51,020.44

Finding the Fourth Proportional to 54,135.10, 75,034 and 51,020.44

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Solution

The fourth proportional to 54,135.10, 75,034 and 51,020.44 is: 70,716.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,135.10 : 75,034 = 51,020.44 : x
  2. Step 2: Convert to fraction form
    54,135.10/75,034 = 51,020.44/x
  3. Step 3: Cross multiply
    54,135.10x = 75,034 × 51,020.44
  4. Step 4: Simplify right side
    54,135.10x = 3,828,267,694.96
  5. Step 5: Solve for x
    x = 3,828,267,694.96/54,135.10
  6. Step 6: Final answer
    x = 70,716.92

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.