Home / 57,974.56-86,976.48-16,421.92

Finding the Fourth Proportional to 57,974.56, 86,976.48 and 16,421.92

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Solution

The fourth proportional to 57,974.56, 86,976.48 and 16,421.92 is: 24,637.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,974.56 : 86,976.48 = 16,421.92 : x
  2. Step 2: Convert to fraction form
    57,974.56/86,976.48 = 16,421.92/x
  3. Step 3: Cross multiply
    57,974.56x = 86,976.48 × 16,421.92
  4. Step 4: Simplify right side
    57,974.56x = 1,428,320,796.44
  5. Step 5: Solve for x
    x = 1,428,320,796.44/57,974.56
  6. Step 6: Final answer
    x = 24,637.03

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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.