Home / 120,742.16-166,616.24-67,024.56

Finding the Fourth Proportional to 120,742.16, 166,616.24 and 67,024.56

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Solution

The fourth proportional to 120,742.16, 166,616.24 and 67,024.56 is: 92,489.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,742.16 : 166,616.24 = 67,024.56 : x
  2. Step 2: Convert to fraction form
    120,742.16/166,616.24 = 67,024.56/x
  3. Step 3: Cross multiply
    120,742.16x = 166,616.24 × 67,024.56
  4. Step 4: Simplify right side
    120,742.16x = 11,167,380,174.85
  5. Step 5: Solve for x
    x = 11,167,380,174.85/120,742.16
  6. Step 6: Final answer
    x = 92,489.48

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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.