Home / 110,535.78-165,754.12-40,365.75

Finding the Fourth Proportional to 110,535.78, 165,754.12 and 40,365.75

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Solution

The fourth proportional to 110,535.78, 165,754.12 and 40,365.75 is: 60,530.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,535.78 : 165,754.12 = 40,365.75 : x
  2. Step 2: Convert to fraction form
    110,535.78/165,754.12 = 40,365.75/x
  3. Step 3: Cross multiply
    110,535.78x = 165,754.12 × 40,365.75
  4. Step 4: Simplify right side
    110,535.78x = 6,690,789,369.39
  5. Step 5: Solve for x
    x = 6,690,789,369.39/110,535.78
  6. Step 6: Final answer
    x = 60,530.53

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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.