Home / 57,895.20-86,821.20-22,827.60

Finding the Fourth Proportional to 57,895.20, 86,821.20 and 22,827.60

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Solution

The fourth proportional to 57,895.20, 86,821.20 and 22,827.60 is: 34,232.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,895.20 : 86,821.20 = 22,827.60 : x
  2. Step 2: Convert to fraction form
    57,895.20/86,821.20 = 22,827.60/x
  3. Step 3: Cross multiply
    57,895.20x = 86,821.20 × 22,827.60
  4. Step 4: Simplify right side
    57,895.20x = 1,981,919,625.12
  5. Step 5: Solve for x
    x = 1,981,919,625.12/57,895.20
  6. Step 6: Final answer
    x = 34,232.88

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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.