Home / 57,723.20-86,584.80-48,003.20

Finding the Fourth Proportional to 57,723.20, 86,584.80 and 48,003.20

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Solution

The fourth proportional to 57,723.20, 86,584.80 and 48,003.20 is: 72,004.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,723.20 : 86,584.80 = 48,003.20 : x
  2. Step 2: Convert to fraction form
    57,723.20/86,584.80 = 48,003.20/x
  3. Step 3: Cross multiply
    57,723.20x = 86,584.80 × 48,003.20
  4. Step 4: Simplify right side
    57,723.20x = 4,156,347,471.36
  5. Step 5: Solve for x
    x = 4,156,347,471.36/57,723.20
  6. Step 6: Final answer
    x = 72,004.80

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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.