Home / 117,770.41-162,469.56-69,996.61

Finding the Fourth Proportional to 117,770.41, 162,469.56 and 69,996.61

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Solution

The fourth proportional to 117,770.41, 162,469.56 and 69,996.61 is: 96,563.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,770.41 : 162,469.56 = 69,996.61 : x
  2. Step 2: Convert to fraction form
    117,770.41/162,469.56 = 69,996.61/x
  3. Step 3: Cross multiply
    117,770.41x = 162,469.56 × 69,996.61
  4. Step 4: Simplify right side
    117,770.41x = 11,372,318,428.19
  5. Step 5: Solve for x
    x = 11,372,318,428.19/117,770.41
  6. Step 6: Final answer
    x = 96,563.46

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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.