Home / 111,137.16-166,634.64-47,998.44

Finding the Fourth Proportional to 111,137.16, 166,634.64 and 47,998.44

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Solution

The fourth proportional to 111,137.16, 166,634.64 and 47,998.44 is: 71,966.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,137.16 : 166,634.64 = 47,998.44 : x
  2. Step 2: Convert to fraction form
    111,137.16/166,634.64 = 47,998.44/x
  3. Step 3: Cross multiply
    111,137.16x = 166,634.64 × 47,998.44
  4. Step 4: Simplify right side
    111,137.16x = 7,998,202,769.96
  5. Step 5: Solve for x
    x = 7,998,202,769.96/111,137.16
  6. Step 6: Final answer
    x = 71,966.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.