Home / 57,828.88-86,789.54-55,983.61

Finding the Fourth Proportional to 57,828.88, 86,789.54 and 55,983.61

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Solution

The fourth proportional to 57,828.88, 86,789.54 and 55,983.61 is: 84,020.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,828.88 : 86,789.54 = 55,983.61 : x
  2. Step 2: Convert to fraction form
    57,828.88/86,789.54 = 55,983.61/x
  3. Step 3: Cross multiply
    57,828.88x = 86,789.54 × 55,983.61
  4. Step 4: Simplify right side
    57,828.88x = 4,858,791,759.44
  5. Step 5: Solve for x
    x = 4,858,791,759.44/57,828.88
  6. Step 6: Final answer
    x = 84,020.16

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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.