Home / 120,799.56-166,711.08-67,084.56

Finding the Fourth Proportional to 120,799.56, 166,711.08 and 67,084.56

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Solution

The fourth proportional to 120,799.56, 166,711.08 and 67,084.56 is: 92,580.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,799.56 : 166,711.08 = 67,084.56 : x
  2. Step 2: Convert to fraction form
    120,799.56/166,711.08 = 67,084.56/x
  3. Step 3: Cross multiply
    120,799.56x = 166,711.08 × 67,084.56
  4. Step 4: Simplify right side
    120,799.56x = 11,183,739,448.92
  5. Step 5: Solve for x
    x = 11,183,739,448.92/120,799.56
  6. Step 6: Final answer
    x = 92,580.96

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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.