Home / 117,556.38-162,227.22-63,840.96

Finding the Fourth Proportional to 117,556.38, 162,227.22 and 63,840.96

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Solution

The fourth proportional to 117,556.38, 162,227.22 and 63,840.96 is: 88,100.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,556.38 : 162,227.22 = 63,840.96 : x
  2. Step 2: Convert to fraction form
    117,556.38/162,227.22 = 63,840.96/x
  3. Step 3: Cross multiply
    117,556.38x = 162,227.22 × 63,840.96
  4. Step 4: Simplify right side
    117,556.38x = 10,356,741,462.93
  5. Step 5: Solve for x
    x = 10,356,741,462.93/117,556.38
  6. Step 6: Final answer
    x = 88,100.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.