Home / 56,712.70-85,081.20-17,273.80

Finding the Fourth Proportional to 56,712.70, 85,081.20 and 17,273.80

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Solution

The fourth proportional to 56,712.70, 85,081.20 and 17,273.80 is: 25,914.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,712.70 : 85,081.20 = 17,273.80 : x
  2. Step 2: Convert to fraction form
    56,712.70/85,081.20 = 17,273.80/x
  3. Step 3: Cross multiply
    56,712.70x = 85,081.20 × 17,273.80
  4. Step 4: Simplify right side
    56,712.70x = 1,469,675,632.56
  5. Step 5: Solve for x
    x = 1,469,675,632.56/56,712.70
  6. Step 6: Final answer
    x = 25,914.40

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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.