Home / 117,696.60-162,419.39-63,982.97

Finding the Fourth Proportional to 117,696.60, 162,419.39 and 63,982.97

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Solution

The fourth proportional to 117,696.60, 162,419.39 and 63,982.97 is: 88,295.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,696.60 : 162,419.39 = 63,982.97 : x
  2. Step 2: Convert to fraction form
    117,696.60/162,419.39 = 63,982.97/x
  3. Step 3: Cross multiply
    117,696.60x = 162,419.39 × 63,982.97
  4. Step 4: Simplify right side
    117,696.60x = 10,392,075,034.69
  5. Step 5: Solve for x
    x = 10,392,075,034.69/117,696.60
  6. Step 6: Final answer
    x = 88,295.46

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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.