Home / 54,119.87-81,187.44-16,682.98

Finding the Fourth Proportional to 54,119.87, 81,187.44 and 16,682.98

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Solution

The fourth proportional to 54,119.87, 81,187.44 and 16,682.98 is: 25,026.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,119.87 : 81,187.44 = 16,682.98 : x
  2. Step 2: Convert to fraction form
    54,119.87/81,187.44 = 16,682.98/x
  3. Step 3: Cross multiply
    54,119.87x = 81,187.44 × 16,682.98
  4. Step 4: Simplify right side
    54,119.87x = 1,354,448,437.77
  5. Step 5: Solve for x
    x = 1,354,448,437.77/54,119.87
  6. Step 6: Final answer
    x = 25,026.83

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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.