Home / 117,696.91-162,419.82-63,983.28

Finding the Fourth Proportional to 117,696.91, 162,419.82 and 63,983.28

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Solution

The fourth proportional to 117,696.91, 162,419.82 and 63,983.28 is: 88,295.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,696.91 : 162,419.82 = 63,983.28 : x
  2. Step 2: Convert to fraction form
    117,696.91/162,419.82 = 63,983.28/x
  3. Step 3: Cross multiply
    117,696.91x = 162,419.82 × 63,983.28
  4. Step 4: Simplify right side
    117,696.91x = 10,392,153,386.62
  5. Step 5: Solve for x
    x = 10,392,153,386.62/117,696.91
  6. Step 6: Final answer
    x = 88,295.89

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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.