Home / 47,723.40-71,593.20-14,443.20

Finding the Fourth Proportional to 47,723.40, 71,593.20 and 14,443.20

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Solution

The fourth proportional to 47,723.40, 71,593.20 and 14,443.20 is: 21,667.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,723.40 : 71,593.20 = 14,443.20 : x
  2. Step 2: Convert to fraction form
    47,723.40/71,593.20 = 14,443.20/x
  3. Step 3: Cross multiply
    47,723.40x = 71,593.20 × 14,443.20
  4. Step 4: Simplify right side
    47,723.40x = 1,034,034,906.24
  5. Step 5: Solve for x
    x = 1,034,034,906.24/47,723.40
  6. Step 6: Final answer
    x = 21,667.25

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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.