Home / 111,917.20-167,856.60-41,760.40

Finding the Fourth Proportional to 111,917.20, 167,856.60 and 41,760.40

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Solution

The fourth proportional to 111,917.20, 167,856.60 and 41,760.40 is: 62,633.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,917.20 : 167,856.60 = 41,760.40 : x
  2. Step 2: Convert to fraction form
    111,917.20/167,856.60 = 41,760.40/x
  3. Step 3: Cross multiply
    111,917.20x = 167,856.60 × 41,760.40
  4. Step 4: Simplify right side
    111,917.20x = 7,009,758,758.64
  5. Step 5: Solve for x
    x = 7,009,758,758.64/111,917.20
  6. Step 6: Final answer
    x = 62,633.44

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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.