Home / 54,563.73-81,845.34-15,120.71

Finding the Fourth Proportional to 54,563.73, 81,845.34 and 15,120.71

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Solution

The fourth proportional to 54,563.73, 81,845.34 and 15,120.71 is: 22,680.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,563.73 : 81,845.34 = 15,120.71 : x
  2. Step 2: Convert to fraction form
    54,563.73/81,845.34 = 15,120.71/x
  3. Step 3: Cross multiply
    54,563.73x = 81,845.34 × 15,120.71
  4. Step 4: Simplify right side
    54,563.73x = 1,237,559,491.98
  5. Step 5: Solve for x
    x = 1,237,559,491.98/54,563.73
  6. Step 6: Final answer
    x = 22,680.99

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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.