Home / 79,919.95-110,289.77-43,621.73

Finding the Fourth Proportional to 79,919.95, 110,289.77 and 43,621.73

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Solution

The fourth proportional to 79,919.95, 110,289.77 and 43,621.73 is: 60,198.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,919.95 : 110,289.77 = 43,621.73 : x
  2. Step 2: Convert to fraction form
    79,919.95/110,289.77 = 43,621.73/x
  3. Step 3: Cross multiply
    79,919.95x = 110,289.77 × 43,621.73
  4. Step 4: Simplify right side
    79,919.95x = 4,811,030,568.70
  5. Step 5: Solve for x
    x = 4,811,030,568.70/79,919.95
  6. Step 6: Final answer
    x = 60,198.12

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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.