Home / 120,790.44-166,685.24-67,078.87

Finding the Fourth Proportional to 120,790.44, 166,685.24 and 67,078.87

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Solution

The fourth proportional to 120,790.44, 166,685.24 and 67,078.87 is: 92,565.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,790.44 : 166,685.24 = 67,078.87 : x
  2. Step 2: Convert to fraction form
    120,790.44/166,685.24 = 67,078.87/x
  3. Step 3: Cross multiply
    120,790.44x = 166,685.24 × 67,078.87
  4. Step 4: Simplify right side
    120,790.44x = 11,181,057,295.86
  5. Step 5: Solve for x
    x = 11,181,057,295.86/120,790.44
  6. Step 6: Final answer
    x = 92,565.75

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1.5x scale

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.