Home / 54,474.05-81,715.79-15,031.17

Finding the Fourth Proportional to 54,474.05, 81,715.79 and 15,031.17

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Solution

The fourth proportional to 54,474.05, 81,715.79 and 15,031.17 is: 22,548.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,474.05 : 81,715.79 = 15,031.17 : x
  2. Step 2: Convert to fraction form
    54,474.05/81,715.79 = 15,031.17/x
  3. Step 3: Cross multiply
    54,474.05x = 81,715.79 × 15,031.17
  4. Step 4: Simplify right side
    54,474.05x = 1,228,283,447.44
  5. Step 5: Solve for x
    x = 1,228,283,447.44/54,474.05
  6. Step 6: Final answer
    x = 22,548.05

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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.