Home / 80,231.18-110,720.70-43,934.15

Finding the Fourth Proportional to 80,231.18, 110,720.70 and 43,934.15

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Solution

The fourth proportional to 80,231.18, 110,720.70 and 43,934.15 is: 60,630.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,231.18 : 110,720.70 = 43,934.15 : x
  2. Step 2: Convert to fraction form
    80,231.18/110,720.70 = 43,934.15/x
  3. Step 3: Cross multiply
    80,231.18x = 110,720.70 × 43,934.15
  4. Step 4: Simplify right side
    80,231.18x = 4,864,420,118.71
  5. Step 5: Solve for x
    x = 4,864,420,118.71/80,231.18
  6. Step 6: Final answer
    x = 60,630.05

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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.