Home / 117,614.78-162,306.43-63,900.62

Finding the Fourth Proportional to 117,614.78, 162,306.43 and 63,900.62

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Solution

The fourth proportional to 117,614.78, 162,306.43 and 63,900.62 is: 88,181.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,614.78 : 162,306.43 = 63,900.62 : x
  2. Step 2: Convert to fraction form
    117,614.78/162,306.43 = 63,900.62/x
  3. Step 3: Cross multiply
    117,614.78x = 162,306.43 × 63,900.62
  4. Step 4: Simplify right side
    117,614.78x = 10,371,481,506.99
  5. Step 5: Solve for x
    x = 10,371,481,506.99/117,614.78
  6. Step 6: Final answer
    x = 88,181.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.