Home / 80,781.70-121,177.07-24,623.64

Finding the Fourth Proportional to 80,781.70, 121,177.07 and 24,623.64

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Solution

The fourth proportional to 80,781.70, 121,177.07 and 24,623.64 is: 36,936.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,781.70 : 121,177.07 = 24,623.64 : x
  2. Step 2: Convert to fraction form
    80,781.70/121,177.07 = 24,623.64/x
  3. Step 3: Cross multiply
    80,781.70x = 121,177.07 × 24,623.64
  4. Step 4: Simplify right side
    80,781.70x = 2,983,820,609.49
  5. Step 5: Solve for x
    x = 2,983,820,609.49/80,781.70
  6. Step 6: Final answer
    x = 36,936.84

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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.