Home / 49,850.98-74,754.56-18,664.36

Finding the Fourth Proportional to 49,850.98, 74,754.56 and 18,664.36

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Solution

The fourth proportional to 49,850.98, 74,754.56 and 18,664.36 is: 27,988.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,850.98 : 74,754.56 = 18,664.36 : x
  2. Step 2: Convert to fraction form
    49,850.98/74,754.56 = 18,664.36/x
  3. Step 3: Cross multiply
    49,850.98x = 74,754.56 × 18,664.36
  4. Step 4: Simplify right side
    49,850.98x = 1,395,246,019.48
  5. Step 5: Solve for x
    x = 1,395,246,019.48/49,850.98
  6. Step 6: Final answer
    x = 27,988.34

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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.