Home / 48,665.28-72,997.92-11,729.28

Finding the Fourth Proportional to 48,665.28, 72,997.92 and 11,729.28

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Solution

The fourth proportional to 48,665.28, 72,997.92 and 11,729.28 is: 17,593.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,665.28 : 72,997.92 = 11,729.28 : x
  2. Step 2: Convert to fraction form
    48,665.28/72,997.92 = 11,729.28/x
  3. Step 3: Cross multiply
    48,665.28x = 72,997.92 × 11,729.28
  4. Step 4: Simplify right side
    48,665.28x = 856,213,043.10
  5. Step 5: Solve for x
    x = 856,213,043.10/48,665.28
  6. Step 6: Final answer
    x = 17,593.92

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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.