Home / 110,717.30-166,081.08-31,829.78

Finding the Fourth Proportional to 110,717.30, 166,081.08 and 31,829.78

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Solution

The fourth proportional to 110,717.30, 166,081.08 and 31,829.78 is: 47,746.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,717.30 : 166,081.08 = 31,829.78 : x
  2. Step 2: Convert to fraction form
    110,717.30/166,081.08 = 31,829.78/x
  3. Step 3: Cross multiply
    110,717.30x = 166,081.08 × 31,829.78
  4. Step 4: Simplify right side
    110,717.30x = 5,286,324,238.56
  5. Step 5: Solve for x
    x = 5,286,324,238.56/110,717.30
  6. Step 6: Final answer
    x = 47,746.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.