Home / 57,773.12-86,659.44-18,333.30

Finding the Fourth Proportional to 57,773.12, 86,659.44 and 18,333.30

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Solution

The fourth proportional to 57,773.12, 86,659.44 and 18,333.30 is: 27,499.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,773.12 : 86,659.44 = 18,333.30 : x
  2. Step 2: Convert to fraction form
    57,773.12/86,659.44 = 18,333.30/x
  3. Step 3: Cross multiply
    57,773.12x = 86,659.44 × 18,333.30
  4. Step 4: Simplify right side
    57,773.12x = 1,588,753,511.35
  5. Step 5: Solve for x
    x = 1,588,753,511.35/57,773.12
  6. Step 6: Final answer
    x = 27,499.88

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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.