Home / 53,221.41-79,832.44-15,781.84

Finding the Fourth Proportional to 53,221.41, 79,832.44 and 15,781.84

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Solution

The fourth proportional to 53,221.41, 79,832.44 and 15,781.84 is: 23,672.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,221.41 : 79,832.44 = 15,781.84 : x
  2. Step 2: Convert to fraction form
    53,221.41/79,832.44 = 15,781.84/x
  3. Step 3: Cross multiply
    53,221.41x = 79,832.44 × 15,781.84
  4. Step 4: Simplify right side
    53,221.41x = 1,259,902,395.73
  5. Step 5: Solve for x
    x = 1,259,902,395.73/53,221.41
  6. Step 6: Final answer
    x = 23,672.85

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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.