Home / 111,942.60-167,856.30-41,785.80

Finding the Fourth Proportional to 111,942.60, 167,856.30 and 41,785.80

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Solution

The fourth proportional to 111,942.60, 167,856.30 and 41,785.80 is: 62,657.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,942.60 : 167,856.30 = 41,785.80 : x
  2. Step 2: Convert to fraction form
    111,942.60/167,856.30 = 41,785.80/x
  3. Step 3: Cross multiply
    111,942.60x = 167,856.30 × 41,785.80
  4. Step 4: Simplify right side
    111,942.60x = 7,014,009,780.54
  5. Step 5: Solve for x
    x = 7,014,009,780.54/111,942.60
  6. Step 6: Final answer
    x = 62,657.20

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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.