Home / 120,787.91-166,692.62-67,072.96

Finding the Fourth Proportional to 120,787.91, 166,692.62 and 67,072.96

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Solution

The fourth proportional to 120,787.91, 166,692.62 and 67,072.96 is: 92,563.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,787.91 : 166,692.62 = 67,072.96 : x
  2. Step 2: Convert to fraction form
    120,787.91/166,692.62 = 67,072.96/x
  3. Step 3: Cross multiply
    120,787.91x = 166,692.62 × 67,072.96
  4. Step 4: Simplify right side
    120,787.91x = 11,180,566,264.73
  5. Step 5: Solve for x
    x = 11,180,566,264.73/120,787.91
  6. Step 6: Final answer
    x = 92,563.62

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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.