Home / 79,908.87-110,211.93-51,231.27

Finding the Fourth Proportional to 79,908.87, 110,211.93 and 51,231.27

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Solution

The fourth proportional to 79,908.87, 110,211.93 and 51,231.27 is: 70,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,908.87 : 110,211.93 = 51,231.27 : x
  2. Step 2: Convert to fraction form
    79,908.87/110,211.93 = 51,231.27/x
  3. Step 3: Cross multiply
    79,908.87x = 110,211.93 × 51,231.27
  4. Step 4: Simplify right side
    79,908.87x = 5,646,297,143.05
  5. Step 5: Solve for x
    x = 5,646,297,143.05/79,908.87
  6. Step 6: Final answer
    x = 70,659.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.