Home / 54,542.88-81,912.96-50,152.32

Finding the Fourth Proportional to 54,542.88, 81,912.96 and 50,152.32

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Solution

The fourth proportional to 54,542.88, 81,912.96 and 50,152.32 is: 75,319.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,542.88 : 81,912.96 = 50,152.32 : x
  2. Step 2: Convert to fraction form
    54,542.88/81,912.96 = 50,152.32/x
  3. Step 3: Cross multiply
    54,542.88x = 81,912.96 × 50,152.32
  4. Step 4: Simplify right side
    54,542.88x = 4,108,124,982.07
  5. Step 5: Solve for x
    x = 4,108,124,982.07/54,542.88
  6. Step 6: Final answer
    x = 75,319.18

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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.