Home / 57,668.56-86,495.40-18,229.66

Finding the Fourth Proportional to 57,668.56, 86,495.40 and 18,229.66

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Solution

The fourth proportional to 57,668.56, 86,495.40 and 18,229.66 is: 27,342.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,668.56 : 86,495.40 = 18,229.66 : x
  2. Step 2: Convert to fraction form
    57,668.56/86,495.40 = 18,229.66/x
  3. Step 3: Cross multiply
    57,668.56x = 86,495.40 × 18,229.66
  4. Step 4: Simplify right side
    57,668.56x = 1,576,781,733.56
  5. Step 5: Solve for x
    x = 1,576,781,733.56/57,668.56
  6. Step 6: Final answer
    x = 27,342.14

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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.