Home / 57,517.53-86,297.06-20,083.12

Finding the Fourth Proportional to 57,517.53, 86,297.06 and 20,083.12

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Solution

The fourth proportional to 57,517.53, 86,297.06 and 20,083.12 is: 30,131.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,517.53 : 86,297.06 = 20,083.12 : x
  2. Step 2: Convert to fraction form
    57,517.53/86,297.06 = 20,083.12/x
  3. Step 3: Cross multiply
    57,517.53x = 86,297.06 × 20,083.12
  4. Step 4: Simplify right side
    57,517.53x = 1,733,114,211.63
  5. Step 5: Solve for x
    x = 1,733,114,211.63/57,517.53
  6. Step 6: Final answer
    x = 30,131.93

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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.