Home / 72,447.24-108,679.68-22,530

Finding the Fourth Proportional to 72,447.24, 108,679.68 and 22,530

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Solution

The fourth proportional to 72,447.24, 108,679.68 and 22,530 is: 33,797.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,447.24 : 108,679.68 = 22,530 : x
  2. Step 2: Convert to fraction form
    72,447.24/108,679.68 = 22,530/x
  3. Step 3: Cross multiply
    72,447.24x = 108,679.68 × 22,530
  4. Step 4: Simplify right side
    72,447.24x = 2,448,553,190.40
  5. Step 5: Solve for x
    x = 2,448,553,190.40/72,447.24
  6. Step 6: Final answer
    x = 33,797.74

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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.