Home / 49,982.88-74,972.64-13,046.88

Finding the Fourth Proportional to 49,982.88, 74,972.64 and 13,046.88

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Solution

The fourth proportional to 49,982.88, 74,972.64 and 13,046.88 is: 19,569.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,982.88 : 74,972.64 = 13,046.88 : x
  2. Step 2: Convert to fraction form
    49,982.88/74,972.64 = 13,046.88/x
  3. Step 3: Cross multiply
    49,982.88x = 74,972.64 × 13,046.88
  4. Step 4: Simplify right side
    49,982.88x = 978,159,037.36
  5. Step 5: Solve for x
    x = 978,159,037.36/49,982.88
  6. Step 6: Final answer
    x = 19,569.88

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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.