Home / 73,479.20-110,131.29-51,171.80

Finding the Fourth Proportional to 73,479.20, 110,131.29 and 51,171.80

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Solution

The fourth proportional to 73,479.20, 110,131.29 and 51,171.80 is: 76,696.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,479.20 : 110,131.29 = 51,171.80 : x
  2. Step 2: Convert to fraction form
    73,479.20/110,131.29 = 51,171.80/x
  3. Step 3: Cross multiply
    73,479.20x = 110,131.29 × 51,171.80
  4. Step 4: Simplify right side
    73,479.20x = 5,635,615,794.97
  5. Step 5: Solve for x
    x = 5,635,615,794.97/73,479.20
  6. Step 6: Final answer
    x = 76,696.75

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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.