Home / 49,983.64-68,972.66-27,321.20

Finding the Fourth Proportional to 49,983.64, 68,972.66 and 27,321.20

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Solution

The fourth proportional to 49,983.64, 68,972.66 and 27,321.20 is: 37,700.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,983.64 : 68,972.66 = 27,321.20 : x
  2. Step 2: Convert to fraction form
    49,983.64/68,972.66 = 27,321.20/x
  3. Step 3: Cross multiply
    49,983.64x = 68,972.66 × 27,321.20
  4. Step 4: Simplify right side
    49,983.64x = 1,884,415,838.39
  5. Step 5: Solve for x
    x = 1,884,415,838.39/49,983.64
  6. Step 6: Final answer
    x = 37,700.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.