Home / 110,338.80-165,378.60-51,049.24

Finding the Fourth Proportional to 110,338.80, 165,378.60 and 51,049.24

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Solution

The fourth proportional to 110,338.80, 165,378.60 and 51,049.24 is: 76,513.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,338.80 : 165,378.60 = 51,049.24 : x
  2. Step 2: Convert to fraction form
    110,338.80/165,378.60 = 51,049.24/x
  3. Step 3: Cross multiply
    110,338.80x = 165,378.60 × 51,049.24
  4. Step 4: Simplify right side
    110,338.80x = 8,442,451,842.26
  5. Step 5: Solve for x
    x = 8,442,451,842.26/110,338.80
  6. Step 6: Final answer
    x = 76,513.90

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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.