Home / 57,723.60-86,614.20-32,782.80

Finding the Fourth Proportional to 57,723.60, 86,614.20 and 32,782.80

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Solution

The fourth proportional to 57,723.60, 86,614.20 and 32,782.80 is: 49,190.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,723.60 : 86,614.20 = 32,782.80 : x
  2. Step 2: Convert to fraction form
    57,723.60/86,614.20 = 32,782.80/x
  3. Step 3: Cross multiply
    57,723.60x = 86,614.20 × 32,782.80
  4. Step 4: Simplify right side
    57,723.60x = 2,839,455,995.76
  5. Step 5: Solve for x
    x = 2,839,455,995.76/57,723.60
  6. Step 6: Final answer
    x = 49,190.56

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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.