Home / 79,919.80-110,270.10-51,226.36

Finding the Fourth Proportional to 79,919.80, 110,270.10 and 51,226.36

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Solution

The fourth proportional to 79,919.80, 110,270.10 and 51,226.36 is: 70,680.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,919.80 : 110,270.10 = 51,226.36 : x
  2. Step 2: Convert to fraction form
    79,919.80/110,270.10 = 51,226.36/x
  3. Step 3: Cross multiply
    79,919.80x = 110,270.10 × 51,226.36
  4. Step 4: Simplify right side
    79,919.80x = 5,648,735,839.84
  5. Step 5: Solve for x
    x = 5,648,735,839.84/79,919.80
  6. Step 6: Final answer
    x = 70,680.05

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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.