Home / 117,325.73-161,910.27-63,611.57

Finding the Fourth Proportional to 117,325.73, 161,910.27 and 63,611.57

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Solution

The fourth proportional to 117,325.73, 161,910.27 and 63,611.57 is: 87,784.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,325.73 : 161,910.27 = 63,611.57 : x
  2. Step 2: Convert to fraction form
    117,325.73/161,910.27 = 63,611.57/x
  3. Step 3: Cross multiply
    117,325.73x = 161,910.27 × 63,611.57
  4. Step 4: Simplify right side
    117,325.73x = 10,299,365,664.27
  5. Step 5: Solve for x
    x = 10,299,365,664.27/117,325.73
  6. Step 6: Final answer
    x = 87,784.38

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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.