Home / 57,719.20-86,560.80-22,669.60

Finding the Fourth Proportional to 57,719.20, 86,560.80 and 22,669.60

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Solution

The fourth proportional to 57,719.20, 86,560.80 and 22,669.60 is: 33,997.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,719.20 : 86,560.80 = 22,669.60 : x
  2. Step 2: Convert to fraction form
    57,719.20/86,560.80 = 22,669.60/x
  3. Step 3: Cross multiply
    57,719.20x = 86,560.80 × 22,669.60
  4. Step 4: Simplify right side
    57,719.20x = 1,962,298,711.68
  5. Step 5: Solve for x
    x = 1,962,298,711.68/57,719.20
  6. Step 6: Final answer
    x = 33,997.33

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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.