Home / 56,912.82-85,367.40-25,748.07

Finding the Fourth Proportional to 56,912.82, 85,367.40 and 25,748.07

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Solution

The fourth proportional to 56,912.82, 85,367.40 and 25,748.07 is: 38,621.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,912.82 : 85,367.40 = 25,748.07 : x
  2. Step 2: Convert to fraction form
    56,912.82/85,367.40 = 25,748.07/x
  3. Step 3: Cross multiply
    56,912.82x = 85,367.40 × 25,748.07
  4. Step 4: Simplify right side
    56,912.82x = 2,198,045,790.92
  5. Step 5: Solve for x
    x = 2,198,045,790.92/56,912.82
  6. Step 6: Final answer
    x = 38,621.28

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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.