Home / 56,739.20-85,122.60-17,297.06

Finding the Fourth Proportional to 56,739.20, 85,122.60 and 17,297.06

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Solution

The fourth proportional to 56,739.20, 85,122.60 and 17,297.06 is: 25,949.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,739.20 : 85,122.60 = 17,297.06 : x
  2. Step 2: Convert to fraction form
    56,739.20/85,122.60 = 17,297.06/x
  3. Step 3: Cross multiply
    56,739.20x = 85,122.60 × 17,297.06
  4. Step 4: Simplify right side
    56,739.20x = 1,472,370,719.56
  5. Step 5: Solve for x
    x = 1,472,370,719.56/56,739.20
  6. Step 6: Final answer
    x = 25,949.80

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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.