Home / 54,198.36-81,289.32-14,758.58

Finding the Fourth Proportional to 54,198.36, 81,289.32 and 14,758.58

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Solution

The fourth proportional to 54,198.36, 81,289.32 and 14,758.58 is: 22,135.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,198.36 : 81,289.32 = 14,758.58 : x
  2. Step 2: Convert to fraction form
    54,198.36/81,289.32 = 14,758.58/x
  3. Step 3: Cross multiply
    54,198.36x = 81,289.32 × 14,758.58
  4. Step 4: Simplify right side
    54,198.36x = 1,199,714,525.92
  5. Step 5: Solve for x
    x = 1,199,714,525.92/54,198.36
  6. Step 6: Final answer
    x = 22,135.62

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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.