Home / 117,696.41-162,419.13-63,982.78

Finding the Fourth Proportional to 117,696.41, 162,419.13 and 63,982.78

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Solution

The fourth proportional to 117,696.41, 162,419.13 and 63,982.78 is: 88,295.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,696.41 : 162,419.13 = 63,982.78 : x
  2. Step 2: Convert to fraction form
    117,696.41/162,419.13 = 63,982.78/x
  3. Step 3: Cross multiply
    117,696.41x = 162,419.13 × 63,982.78
  4. Step 4: Simplify right side
    117,696.41x = 10,392,027,905.54
  5. Step 5: Solve for x
    x = 10,392,027,905.54/117,696.41
  6. Step 6: Final answer
    x = 88,295.20

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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.