Home / 120,807.39-166,709.61-67,095.85

Finding the Fourth Proportional to 120,807.39, 166,709.61 and 67,095.85

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Solution

The fourth proportional to 120,807.39, 166,709.61 and 67,095.85 is: 92,589.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,807.39 : 166,709.61 = 67,095.85 : x
  2. Step 2: Convert to fraction form
    120,807.39/166,709.61 = 67,095.85/x
  3. Step 3: Cross multiply
    120,807.39x = 166,709.61 × 67,095.85
  4. Step 4: Simplify right side
    120,807.39x = 11,185,522,881.93
  5. Step 5: Solve for x
    x = 11,185,522,881.93/120,807.39
  6. Step 6: Final answer
    x = 92,589.73

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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.