Home / 43,213.28-64,793.99-16,886.66

Finding the Fourth Proportional to 43,213.28, 64,793.99 and 16,886.66

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Solution

The fourth proportional to 43,213.28, 64,793.99 and 16,886.66 is: 25,319.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,213.28 : 64,793.99 = 16,886.66 : x
  2. Step 2: Convert to fraction form
    43,213.28/64,793.99 = 16,886.66/x
  3. Step 3: Cross multiply
    43,213.28x = 64,793.99 × 16,886.66
  4. Step 4: Simplify right side
    43,213.28x = 1,094,153,797.42
  5. Step 5: Solve for x
    x = 1,094,153,797.42/43,213.28
  6. Step 6: Final answer
    x = 25,319.85

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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.