Home / 54,176.80-81,244.99-18,628.06

Finding the Fourth Proportional to 54,176.80, 81,244.99 and 18,628.06

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Solution

The fourth proportional to 54,176.80, 81,244.99 and 18,628.06 is: 27,935.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,176.80 : 81,244.99 = 18,628.06 : x
  2. Step 2: Convert to fraction form
    54,176.80/81,244.99 = 18,628.06/x
  3. Step 3: Cross multiply
    54,176.80x = 81,244.99 × 18,628.06
  4. Step 4: Simplify right side
    54,176.80x = 1,513,436,548.42
  5. Step 5: Solve for x
    x = 1,513,436,548.42/54,176.80
  6. Step 6: Final answer
    x = 27,935.14

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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.