Home / 54,589.20-81,874.64-15,150.32

Finding the Fourth Proportional to 54,589.20, 81,874.64 and 15,150.32

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Solution

The fourth proportional to 54,589.20, 81,874.64 and 15,150.32 is: 22,722.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,589.20 : 81,874.64 = 15,150.32 : x
  2. Step 2: Convert to fraction form
    54,589.20/81,874.64 = 15,150.32/x
  3. Step 3: Cross multiply
    54,589.20x = 81,874.64 × 15,150.32
  4. Step 4: Simplify right side
    54,589.20x = 1,240,426,995.88
  5. Step 5: Solve for x
    x = 1,240,426,995.88/54,589.20
  6. Step 6: Final answer
    x = 22,722.94

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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.