Home / 79,150.67-109,206.26-50,872.76

Finding the Fourth Proportional to 79,150.67, 109,206.26 and 50,872.76

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Solution

The fourth proportional to 79,150.67, 109,206.26 and 50,872.76 is: 70,190.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,150.67 : 109,206.26 = 50,872.76 : x
  2. Step 2: Convert to fraction form
    79,150.67/109,206.26 = 50,872.76/x
  3. Step 3: Cross multiply
    79,150.67x = 109,206.26 × 50,872.76
  4. Step 4: Simplify right side
    79,150.67x = 5,555,623,855.48
  5. Step 5: Solve for x
    x = 5,555,623,855.48/79,150.67
  6. Step 6: Final answer
    x = 70,190.48

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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.