Home / 120,799.08-166,700.43-67,084.74

Finding the Fourth Proportional to 120,799.08, 166,700.43 and 67,084.74

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Solution

The fourth proportional to 120,799.08, 166,700.43 and 67,084.74 is: 92,575.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,799.08 : 166,700.43 = 67,084.74 : x
  2. Step 2: Convert to fraction form
    120,799.08/166,700.43 = 67,084.74/x
  3. Step 3: Cross multiply
    120,799.08x = 166,700.43 × 67,084.74
  4. Step 4: Simplify right side
    120,799.08x = 11,183,055,004.44
  5. Step 5: Solve for x
    x = 11,183,055,004.44/120,799.08
  6. Step 6: Final answer
    x = 92,575.66

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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.