Home / 111,319.92-166,979.76-27,079.56

Finding the Fourth Proportional to 111,319.92, 166,979.76 and 27,079.56

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Solution

The fourth proportional to 111,319.92, 166,979.76 and 27,079.56 is: 40,619.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,319.92 : 166,979.76 = 27,079.56 : x
  2. Step 2: Convert to fraction form
    111,319.92/166,979.76 = 27,079.56/x
  3. Step 3: Cross multiply
    111,319.92x = 166,979.76 × 27,079.56
  4. Step 4: Simplify right side
    111,319.92x = 4,521,738,429.71
  5. Step 5: Solve for x
    x = 4,521,738,429.71/111,319.92
  6. Step 6: Final answer
    x = 40,619.31

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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.