Home / 120,917.48-166,862.82-67,201.10

Finding the Fourth Proportional to 120,917.48, 166,862.82 and 67,201.10

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Solution

The fourth proportional to 120,917.48, 166,862.82 and 67,201.10 is: 92,735.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,917.48 : 166,862.82 = 67,201.10 : x
  2. Step 2: Convert to fraction form
    120,917.48/166,862.82 = 67,201.10/x
  3. Step 3: Cross multiply
    120,917.48x = 166,862.82 × 67,201.10
  4. Step 4: Simplify right side
    120,917.48x = 11,213,365,053.10
  5. Step 5: Solve for x
    x = 11,213,365,053.10/120,917.48
  6. Step 6: Final answer
    x = 92,735.68

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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.