Home / 54,370.87-81,563.91-16,933.66

Finding the Fourth Proportional to 54,370.87, 81,563.91 and 16,933.66

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Solution

The fourth proportional to 54,370.87, 81,563.91 and 16,933.66 is: 25,402.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,370.87 : 81,563.91 = 16,933.66 : x
  2. Step 2: Convert to fraction form
    54,370.87/81,563.91 = 16,933.66/x
  3. Step 3: Cross multiply
    54,370.87x = 81,563.91 × 16,933.66
  4. Step 4: Simplify right side
    54,370.87x = 1,381,175,520.21
  5. Step 5: Solve for x
    x = 1,381,175,520.21/54,370.87
  6. Step 6: Final answer
    x = 25,402.86

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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.