Home / 107,739.92-161,634.36-32,866.76

Finding the Fourth Proportional to 107,739.92, 161,634.36 and 32,866.76

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Solution

The fourth proportional to 107,739.92, 161,634.36 and 32,866.76 is: 49,307.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,739.92 : 161,634.36 = 32,866.76 : x
  2. Step 2: Convert to fraction form
    107,739.92/161,634.36 = 32,866.76/x
  3. Step 3: Cross multiply
    107,739.92x = 161,634.36 × 32,866.76
  4. Step 4: Simplify right side
    107,739.92x = 5,312,397,717.87
  5. Step 5: Solve for x
    x = 5,312,397,717.87/107,739.92
  6. Step 6: Final answer
    x = 49,307.61

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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.