Home / 43,168.68-64,760.99-16,871.76

Finding the Fourth Proportional to 43,168.68, 64,760.99 and 16,871.76

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Solution

The fourth proportional to 43,168.68, 64,760.99 and 16,871.76 is: 25,310.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,168.68 : 64,760.99 = 16,871.76 : x
  2. Step 2: Convert to fraction form
    43,168.68/64,760.99 = 16,871.76/x
  3. Step 3: Cross multiply
    43,168.68x = 64,760.99 × 16,871.76
  4. Step 4: Simplify right side
    43,168.68x = 1,092,631,796.28
  5. Step 5: Solve for x
    x = 1,092,631,796.28/43,168.68
  6. Step 6: Final answer
    x = 25,310.75

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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.