Home / 117,728.88-176,493.78-51,118.62

Finding the Fourth Proportional to 117,728.88, 176,493.78 and 51,118.62

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Solution

The fourth proportional to 117,728.88, 176,493.78 and 51,118.62 is: 76,634.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,728.88 : 176,493.78 = 51,118.62 : x
  2. Step 2: Convert to fraction form
    117,728.88/176,493.78 = 51,118.62/x
  3. Step 3: Cross multiply
    117,728.88x = 176,493.78 × 51,118.62
  4. Step 4: Simplify right side
    117,728.88x = 9,022,118,472.18
  5. Step 5: Solve for x
    x = 9,022,118,472.18/117,728.88
  6. Step 6: Final answer
    x = 76,634.71

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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.