Home / 56,932.80-85,399.20-21,873.30

Finding the Fourth Proportional to 56,932.80, 85,399.20 and 21,873.30

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Solution

The fourth proportional to 56,932.80, 85,399.20 and 21,873.30 is: 32,809.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,932.80 : 85,399.20 = 21,873.30 : x
  2. Step 2: Convert to fraction form
    56,932.80/85,399.20 = 21,873.30/x
  3. Step 3: Cross multiply
    56,932.80x = 85,399.20 × 21,873.30
  4. Step 4: Simplify right side
    56,932.80x = 1,867,962,321.36
  5. Step 5: Solve for x
    x = 1,867,962,321.36/56,932.80
  6. Step 6: Final answer
    x = 32,809.95

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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.