Home / 80,236.42-110,727.99-43,939.40

Finding the Fourth Proportional to 80,236.42, 110,727.99 and 43,939.40

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Solution

The fourth proportional to 80,236.42, 110,727.99 and 43,939.40 is: 60,637.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,236.42 : 110,727.99 = 43,939.40 : x
  2. Step 2: Convert to fraction form
    80,236.42/110,727.99 = 43,939.40/x
  3. Step 3: Cross multiply
    80,236.42x = 110,727.99 × 43,939.40
  4. Step 4: Simplify right side
    80,236.42x = 4,865,320,890.17
  5. Step 5: Solve for x
    x = 4,865,320,890.17/80,236.42
  6. Step 6: Final answer
    x = 60,637.31

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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.