Home / 80,732.32-120,923.44-39,092

Finding the Fourth Proportional to 80,732.32, 120,923.44 and 39,092

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Solution

The fourth proportional to 80,732.32, 120,923.44 and 39,092 is: 58,553.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,732.32 : 120,923.44 = 39,092 : x
  2. Step 2: Convert to fraction form
    80,732.32/120,923.44 = 39,092/x
  3. Step 3: Cross multiply
    80,732.32x = 120,923.44 × 39,092
  4. Step 4: Simplify right side
    80,732.32x = 4,727,139,116.48
  5. Step 5: Solve for x
    x = 4,727,139,116.48/80,732.32
  6. Step 6: Final answer
    x = 58,553.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.