Home / 57,196.22-85,743.56-21,632.66

Finding the Fourth Proportional to 57,196.22, 85,743.56 and 21,632.66

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Solution

The fourth proportional to 57,196.22, 85,743.56 and 21,632.66 is: 32,429.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,196.22 : 85,743.56 = 21,632.66 : x
  2. Step 2: Convert to fraction form
    57,196.22/85,743.56 = 21,632.66/x
  3. Step 3: Cross multiply
    57,196.22x = 85,743.56 × 21,632.66
  4. Step 4: Simplify right side
    57,196.22x = 1,854,860,906.03
  5. Step 5: Solve for x
    x = 1,854,860,906.03/57,196.22
  6. Step 6: Final answer
    x = 32,429.78

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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.