Home / 57,679.83-86,519.19-18,236.94

Finding the Fourth Proportional to 57,679.83, 86,519.19 and 18,236.94

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Solution

The fourth proportional to 57,679.83, 86,519.19 and 18,236.94 is: 27,355.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,679.83 : 86,519.19 = 18,236.94 : x
  2. Step 2: Convert to fraction form
    57,679.83/86,519.19 = 18,236.94/x
  3. Step 3: Cross multiply
    57,679.83x = 86,519.19 × 18,236.94
  4. Step 4: Simplify right side
    57,679.83x = 1,577,845,276.88
  5. Step 5: Solve for x
    x = 1,577,845,276.88/57,679.83
  6. Step 6: Final answer
    x = 27,355.23

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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.