Home / 49,857.06-74,763.68-18,670.44

Finding the Fourth Proportional to 49,857.06, 74,763.68 and 18,670.44

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Solution

The fourth proportional to 49,857.06, 74,763.68 and 18,670.44 is: 27,997.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,857.06 : 74,763.68 = 18,670.44 : x
  2. Step 2: Convert to fraction form
    49,857.06/74,763.68 = 18,670.44/x
  3. Step 3: Cross multiply
    49,857.06x = 74,763.68 × 18,670.44
  4. Step 4: Simplify right side
    49,857.06x = 1,395,870,848.30
  5. Step 5: Solve for x
    x = 1,395,870,848.30/49,857.06
  6. Step 6: Final answer
    x = 27,997.46

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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.