Home / 117,902.25-162,704.97-64,187.64

Finding the Fourth Proportional to 117,902.25, 162,704.97 and 64,187.64

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Solution

The fourth proportional to 117,902.25, 162,704.97 and 64,187.64 is: 88,578.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,902.25 : 162,704.97 = 64,187.64 : x
  2. Step 2: Convert to fraction form
    117,902.25/162,704.97 = 64,187.64/x
  3. Step 3: Cross multiply
    117,902.25x = 162,704.97 × 64,187.64
  4. Step 4: Simplify right side
    117,902.25x = 10,443,648,040.57
  5. Step 5: Solve for x
    x = 10,443,648,040.57/117,902.25
  6. Step 6: Final answer
    x = 88,578.87

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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.