Home / 48,723.12-73,092.30-20,643.24

Finding the Fourth Proportional to 48,723.12, 73,092.30 and 20,643.24

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Solution

The fourth proportional to 48,723.12, 73,092.30 and 20,643.24 is: 30,968.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,723.12 : 73,092.30 = 20,643.24 : x
  2. Step 2: Convert to fraction form
    48,723.12/73,092.30 = 20,643.24/x
  3. Step 3: Cross multiply
    48,723.12x = 73,092.30 × 20,643.24
  4. Step 4: Simplify right side
    48,723.12x = 1,508,861,891.05
  5. Step 5: Solve for x
    x = 1,508,861,891.05/48,723.12
  6. Step 6: Final answer
    x = 30,968.09

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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.