Home / 79,245.57-109,370.10-49,040.62

Finding the Fourth Proportional to 79,245.57, 109,370.10 and 49,040.62

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Solution

The fourth proportional to 79,245.57, 109,370.10 and 49,040.62 is: 67,682.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,245.57 : 109,370.10 = 49,040.62 : x
  2. Step 2: Convert to fraction form
    79,245.57/109,370.10 = 49,040.62/x
  3. Step 3: Cross multiply
    79,245.57x = 109,370.10 × 49,040.62
  4. Step 4: Simplify right side
    79,245.57x = 5,363,577,353.15
  5. Step 5: Solve for x
    x = 5,363,577,353.15/79,245.57
  6. Step 6: Final answer
    x = 67,682.99

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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.