Home / 110,961.10-166,332.30-54,755.20

Finding the Fourth Proportional to 110,961.10, 166,332.30 and 54,755.20

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Solution

The fourth proportional to 110,961.10, 166,332.30 and 54,755.20 is: 82,078.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,961.10 : 166,332.30 = 54,755.20 : x
  2. Step 2: Convert to fraction form
    110,961.10/166,332.30 = 54,755.20/x
  3. Step 3: Cross multiply
    110,961.10x = 166,332.30 × 54,755.20
  4. Step 4: Simplify right side
    110,961.10x = 9,107,558,352.96
  5. Step 5: Solve for x
    x = 9,107,558,352.96/110,961.10
  6. Step 6: Final answer
    x = 82,078.84

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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.