Home / 117,227.68-161,773.64-63,512.52

Finding the Fourth Proportional to 117,227.68, 161,773.64 and 63,512.52

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Solution

The fourth proportional to 117,227.68, 161,773.64 and 63,512.52 is: 87,646.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,227.68 : 161,773.64 = 63,512.52 : x
  2. Step 2: Convert to fraction form
    117,227.68/161,773.64 = 63,512.52/x
  3. Step 3: Cross multiply
    117,227.68x = 161,773.64 × 63,512.52
  4. Step 4: Simplify right side
    117,227.68x = 10,274,651,545.97
  5. Step 5: Solve for x
    x = 10,274,651,545.97/117,227.68
  6. Step 6: Final answer
    x = 87,646.98

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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.