Home / 117,770.16-162,469.22-69,996.36

Finding the Fourth Proportional to 117,770.16, 162,469.22 and 69,996.36

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Solution

The fourth proportional to 117,770.16, 162,469.22 and 69,996.36 is: 96,563.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,770.16 : 162,469.22 = 69,996.36 : x
  2. Step 2: Convert to fraction form
    117,770.16/162,469.22 = 69,996.36/x
  3. Step 3: Cross multiply
    117,770.16x = 162,469.22 × 69,996.36
  4. Step 4: Simplify right side
    117,770.16x = 11,372,253,662.06
  5. Step 5: Solve for x
    x = 11,372,253,662.06/117,770.16
  6. Step 6: Final answer
    x = 96,563.12

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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.