Home / 54,399.14-81,581.43-17,454.50

Finding the Fourth Proportional to 54,399.14, 81,581.43 and 17,454.50

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Solution

The fourth proportional to 54,399.14, 81,581.43 and 17,454.50 is: 26,176.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,399.14 : 81,581.43 = 17,454.50 : x
  2. Step 2: Convert to fraction form
    54,399.14/81,581.43 = 17,454.50/x
  3. Step 3: Cross multiply
    54,399.14x = 81,581.43 × 17,454.50
  4. Step 4: Simplify right side
    54,399.14x = 1,423,963,069.94
  5. Step 5: Solve for x
    x = 1,423,963,069.94/54,399.14
  6. Step 6: Final answer
    x = 26,176.21

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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.