Home / 81,895.83-122,847.23-28,593.17

Finding the Fourth Proportional to 81,895.83, 122,847.23 and 28,593.17

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Solution

The fourth proportional to 81,895.83, 122,847.23 and 28,593.17 is: 42,890.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,895.83 : 122,847.23 = 28,593.17 : x
  2. Step 2: Convert to fraction form
    81,895.83/122,847.23 = 28,593.17/x
  3. Step 3: Cross multiply
    81,895.83x = 122,847.23 × 28,593.17
  4. Step 4: Simplify right side
    81,895.83x = 3,512,591,731.42
  5. Step 5: Solve for x
    x = 3,512,591,731.42/81,895.83
  6. Step 6: Final answer
    x = 42,890.97

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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.