Home / 120,717.56-166,587.12-67,001

Finding the Fourth Proportional to 120,717.56, 166,587.12 and 67,001

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Solution

The fourth proportional to 120,717.56, 166,587.12 and 67,001 is: 92,459.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,717.56 : 166,587.12 = 67,001 : x
  2. Step 2: Convert to fraction form
    120,717.56/166,587.12 = 67,001/x
  3. Step 3: Cross multiply
    120,717.56x = 166,587.12 × 67,001
  4. Step 4: Simplify right side
    120,717.56x = 11,161,503,627.12
  5. Step 5: Solve for x
    x = 11,161,503,627.12/120,717.56
  6. Step 6: Final answer
    x = 92,459.65

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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.