Home / 56,711.76-85,072.37-17,269.22

Finding the Fourth Proportional to 56,711.76, 85,072.37 and 17,269.22

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Solution

The fourth proportional to 56,711.76, 85,072.37 and 17,269.22 is: 25,905.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,711.76 : 85,072.37 = 17,269.22 : x
  2. Step 2: Convert to fraction form
    56,711.76/85,072.37 = 17,269.22/x
  3. Step 3: Cross multiply
    56,711.76x = 85,072.37 × 17,269.22
  4. Step 4: Simplify right side
    56,711.76x = 1,469,132,961.74
  5. Step 5: Solve for x
    x = 1,469,132,961.74/56,711.76
  6. Step 6: Final answer
    x = 25,905.26

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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.