Home / 110,945.10-166,308.30-54,739.20

Finding the Fourth Proportional to 110,945.10, 166,308.30 and 54,739.20

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Solution

The fourth proportional to 110,945.10, 166,308.30 and 54,739.20 is: 82,054.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,945.10 : 166,308.30 = 54,739.20 : x
  2. Step 2: Convert to fraction form
    110,945.10/166,308.30 = 54,739.20/x
  3. Step 3: Cross multiply
    110,945.10x = 166,308.30 × 54,739.20
  4. Step 4: Simplify right side
    110,945.10x = 9,103,583,295.36
  5. Step 5: Solve for x
    x = 9,103,583,295.36/110,945.10
  6. Step 6: Final answer
    x = 82,054.85

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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.