Home / 120,796.17-166,706.43-67,081.18

Finding the Fourth Proportional to 120,796.17, 166,706.43 and 67,081.18

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Solution

The fourth proportional to 120,796.17, 166,706.43 and 67,081.18 is: 92,576.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,796.17 : 166,706.43 = 67,081.18 : x
  2. Step 2: Convert to fraction form
    120,796.17/166,706.43 = 67,081.18/x
  3. Step 3: Cross multiply
    120,796.17x = 166,706.43 × 67,081.18
  4. Step 4: Simplify right side
    120,796.17x = 11,182,864,037.99
  5. Step 5: Solve for x
    x = 11,182,864,037.99/120,796.17
  6. Step 6: Final answer
    x = 92,576.31

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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.