Home / 104,540.64-156,864.62-51,231.61

Finding the Fourth Proportional to 104,540.64, 156,864.62 and 51,231.61

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Solution

The fourth proportional to 104,540.64, 156,864.62 and 51,231.61 is: 76,873.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,540.64 : 156,864.62 = 51,231.61 : x
  2. Step 2: Convert to fraction form
    104,540.64/156,864.62 = 51,231.61/x
  3. Step 3: Cross multiply
    104,540.64x = 156,864.62 × 51,231.61
  4. Step 4: Simplify right side
    104,540.64x = 8,036,427,034.64
  5. Step 5: Solve for x
    x = 8,036,427,034.64/104,540.64
  6. Step 6: Final answer
    x = 76,873.71

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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.