Home / 73,480.20-110,132.79-51,172.80

Finding the Fourth Proportional to 73,480.20, 110,132.79 and 51,172.80

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Solution

The fourth proportional to 73,480.20, 110,132.79 and 51,172.80 is: 76,698.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,480.20 : 110,132.79 = 51,172.80 : x
  2. Step 2: Convert to fraction form
    73,480.20/110,132.79 = 51,172.80/x
  3. Step 3: Cross multiply
    73,480.20x = 110,132.79 × 51,172.80
  4. Step 4: Simplify right side
    73,480.20x = 5,635,803,236.11
  5. Step 5: Solve for x
    x = 5,635,803,236.11/73,480.20
  6. Step 6: Final answer
    x = 76,698.26

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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.