Home / 120,790.46-166,695.13-67,076.39

Finding the Fourth Proportional to 120,790.46, 166,695.13 and 67,076.39

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Solution

The fourth proportional to 120,790.46, 166,695.13 and 67,076.39 is: 92,567.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,790.46 : 166,695.13 = 67,076.39 : x
  2. Step 2: Convert to fraction form
    120,790.46/166,695.13 = 67,076.39/x
  3. Step 3: Cross multiply
    120,790.46x = 166,695.13 × 67,076.39
  4. Step 4: Simplify right side
    120,790.46x = 11,181,308,051.56
  5. Step 5: Solve for x
    x = 11,181,308,051.56/120,790.46
  6. Step 6: Final answer
    x = 92,567.81

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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.