Home / 117,663.54-162,376.94-63,948.56

Finding the Fourth Proportional to 117,663.54, 162,376.94 and 63,948.56

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Solution

The fourth proportional to 117,663.54, 162,376.94 and 63,948.56 is: 88,249.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,663.54 : 162,376.94 = 63,948.56 : x
  2. Step 2: Convert to fraction form
    117,663.54/162,376.94 = 63,948.56/x
  3. Step 3: Cross multiply
    117,663.54x = 162,376.94 × 63,948.56
  4. Step 4: Simplify right side
    117,663.54x = 10,383,770,358.58
  5. Step 5: Solve for x
    x = 10,383,770,358.58/117,663.54
  6. Step 6: Final answer
    x = 88,249.69

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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.