Home / 79,919.80-110,289.54-43,621.57

Finding the Fourth Proportional to 79,919.80, 110,289.54 and 43,621.57

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Solution

The fourth proportional to 79,919.80, 110,289.54 and 43,621.57 is: 60,197.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,919.80 : 110,289.54 = 43,621.57 : x
  2. Step 2: Convert to fraction form
    79,919.80/110,289.54 = 43,621.57/x
  3. Step 3: Cross multiply
    79,919.80x = 110,289.54 × 43,621.57
  4. Step 4: Simplify right side
    79,919.80x = 4,811,003,190.82
  5. Step 5: Solve for x
    x = 4,811,003,190.82/79,919.80
  6. Step 6: Final answer
    x = 60,197.89

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1.5x scale

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.