Home / 111,829.68-167,739.48-31,867.92

Finding the Fourth Proportional to 111,829.68, 167,739.48 and 31,867.92

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Solution

The fourth proportional to 111,829.68, 167,739.48 and 31,867.92 is: 47,800.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,829.68 : 167,739.48 = 31,867.92 : x
  2. Step 2: Convert to fraction form
    111,829.68/167,739.48 = 31,867.92/x
  3. Step 3: Cross multiply
    111,829.68x = 167,739.48 × 31,867.92
  4. Step 4: Simplify right side
    111,829.68x = 5,345,508,329.48
  5. Step 5: Solve for x
    x = 5,345,508,329.48/111,829.68
  6. Step 6: Final answer
    x = 47,800.44

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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.