Home / 120,716.25-166,587.19-67,001.73

Finding the Fourth Proportional to 120,716.25, 166,587.19 and 67,001.73

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Solution

The fourth proportional to 120,716.25, 166,587.19 and 67,001.73 is: 92,461.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,716.25 : 166,587.19 = 67,001.73 : x
  2. Step 2: Convert to fraction form
    120,716.25/166,587.19 = 67,001.73/x
  3. Step 3: Cross multiply
    120,716.25x = 166,587.19 × 67,001.73
  4. Step 4: Simplify right side
    120,716.25x = 11,161,629,925.84
  5. Step 5: Solve for x
    x = 11,161,629,925.84/120,716.25
  6. Step 6: Final answer
    x = 92,461.70

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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.