Home / 80,238.69-110,731.11-43,941.66

Finding the Fourth Proportional to 80,238.69, 110,731.11 and 43,941.66

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Solution

The fourth proportional to 80,238.69, 110,731.11 and 43,941.66 is: 60,640.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,238.69 : 110,731.11 = 43,941.66 : x
  2. Step 2: Convert to fraction form
    80,238.69/110,731.11 = 43,941.66/x
  3. Step 3: Cross multiply
    80,238.69x = 110,731.11 × 43,941.66
  4. Step 4: Simplify right side
    80,238.69x = 4,865,708,787.04
  5. Step 5: Solve for x
    x = 4,865,708,787.04/80,238.69
  6. Step 6: Final answer
    x = 60,640.43

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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.