Home / 52,143.17-78,229.34-17,107.43

Finding the Fourth Proportional to 52,143.17, 78,229.34 and 17,107.43

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Solution

The fourth proportional to 52,143.17, 78,229.34 and 17,107.43 is: 25,665.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,143.17 : 78,229.34 = 17,107.43 : x
  2. Step 2: Convert to fraction form
    52,143.17/78,229.34 = 17,107.43/x
  3. Step 3: Cross multiply
    52,143.17x = 78,229.34 × 17,107.43
  4. Step 4: Simplify right side
    52,143.17x = 1,338,302,872.46
  5. Step 5: Solve for x
    x = 1,338,302,872.46/52,143.17
  6. Step 6: Final answer
    x = 25,665.93

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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.