Home / 110,764.60-166,171.20-54,631.60

Finding the Fourth Proportional to 110,764.60, 166,171.20 and 54,631.60

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Solution

The fourth proportional to 110,764.60, 166,171.20 and 54,631.60 is: 81,959.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,764.60 : 166,171.20 = 54,631.60 : x
  2. Step 2: Convert to fraction form
    110,764.60/166,171.20 = 54,631.60/x
  3. Step 3: Cross multiply
    110,764.60x = 166,171.20 × 54,631.60
  4. Step 4: Simplify right side
    110,764.60x = 9,078,198,529.92
  5. Step 5: Solve for x
    x = 9,078,198,529.92/110,764.60
  6. Step 6: Final answer
    x = 81,959.39

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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.