Home / 56,712.62-85,081.23-17,268.70

Finding the Fourth Proportional to 56,712.62, 85,081.23 and 17,268.70

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Solution

The fourth proportional to 56,712.62, 85,081.23 and 17,268.70 is: 25,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,712.62 : 85,081.23 = 17,268.70 : x
  2. Step 2: Convert to fraction form
    56,712.62/85,081.23 = 17,268.70/x
  3. Step 3: Cross multiply
    56,712.62x = 85,081.23 × 17,268.70
  4. Step 4: Simplify right side
    56,712.62x = 1,469,242,236.50
  5. Step 5: Solve for x
    x = 1,469,242,236.50/56,712.62
  6. Step 6: Final answer
    x = 25,906.80

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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.