Home / 49,739.67-68,614.56-30,843.99

Finding the Fourth Proportional to 49,739.67, 68,614.56 and 30,843.99

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Solution

The fourth proportional to 49,739.67, 68,614.56 and 30,843.99 is: 42,548.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,739.67 : 68,614.56 = 30,843.99 : x
  2. Step 2: Convert to fraction form
    49,739.67/68,614.56 = 30,843.99/x
  3. Step 3: Cross multiply
    49,739.67x = 68,614.56 × 30,843.99
  4. Step 4: Simplify right side
    49,739.67x = 2,116,346,802.49
  5. Step 5: Solve for x
    x = 2,116,346,802.49/49,739.67
  6. Step 6: Final answer
    x = 42,548.47

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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.