Home / 111,255.78-166,833-48,045.81

Finding the Fourth Proportional to 111,255.78, 166,833 and 48,045.81

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Solution

The fourth proportional to 111,255.78, 166,833 and 48,045.81 is: 72,046.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,255.78 : 166,833 = 48,045.81 : x
  2. Step 2: Convert to fraction form
    111,255.78/166,833 = 48,045.81/x
  3. Step 3: Cross multiply
    111,255.78x = 166,833 × 48,045.81
  4. Step 4: Simplify right side
    111,255.78x = 8,015,626,619.73
  5. Step 5: Solve for x
    x = 8,015,626,619.73/111,255.78
  6. Step 6: Final answer
    x = 72,046.83

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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.