Home / 110,679.20-166,018.94-47,458.49

Finding the Fourth Proportional to 110,679.20, 166,018.94 and 47,458.49

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Solution

The fourth proportional to 110,679.20, 166,018.94 and 47,458.49 is: 71,187.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,679.20 : 166,018.94 = 47,458.49 : x
  2. Step 2: Convert to fraction form
    110,679.20/166,018.94 = 47,458.49/x
  3. Step 3: Cross multiply
    110,679.20x = 166,018.94 × 47,458.49
  4. Step 4: Simplify right side
    110,679.20x = 7,879,007,136.41
  5. Step 5: Solve for x
    x = 7,879,007,136.41/110,679.20
  6. Step 6: Final answer
    x = 71,187.79

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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.