Home / 81,552.30-122,245.83-55,259.70

Finding the Fourth Proportional to 81,552.30, 122,245.83 and 55,259.70

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Solution

The fourth proportional to 81,552.30, 122,245.83 and 55,259.70 is: 82,833.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,552.30 : 122,245.83 = 55,259.70 : x
  2. Step 2: Convert to fraction form
    81,552.30/122,245.83 = 55,259.70/x
  3. Step 3: Cross multiply
    81,552.30x = 122,245.83 × 55,259.70
  4. Step 4: Simplify right side
    81,552.30x = 6,755,267,892.05
  5. Step 5: Solve for x
    x = 6,755,267,892.05/81,552.30
  6. Step 6: Final answer
    x = 82,833.57

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1.5x scale

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.