Home / 120,788.73-166,685.27-67,072.37

Finding the Fourth Proportional to 120,788.73, 166,685.27 and 67,072.37

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Solution

The fourth proportional to 120,788.73, 166,685.27 and 67,072.37 is: 92,558.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,788.73 : 166,685.27 = 67,072.37 : x
  2. Step 2: Convert to fraction form
    120,788.73/166,685.27 = 67,072.37/x
  3. Step 3: Cross multiply
    120,788.73x = 166,685.27 × 67,072.37
  4. Step 4: Simplify right side
    120,788.73x = 11,179,974,934.20
  5. Step 5: Solve for x
    x = 11,179,974,934.20/120,788.73
  6. Step 6: Final answer
    x = 92,558.10

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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.