Home / 79,154.85-109,234.98-43,344.25

Finding the Fourth Proportional to 79,154.85, 109,234.98 and 43,344.25

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Solution

The fourth proportional to 79,154.85, 109,234.98 and 43,344.25 is: 59,815.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,154.85 : 109,234.98 = 43,344.25 : x
  2. Step 2: Convert to fraction form
    79,154.85/109,234.98 = 43,344.25/x
  3. Step 3: Cross multiply
    79,154.85x = 109,234.98 × 43,344.25
  4. Step 4: Simplify right side
    79,154.85x = 4,734,708,008.78
  5. Step 5: Solve for x
    x = 4,734,708,008.78/79,154.85
  6. Step 6: Final answer
    x = 59,815.76

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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.