Home / 121,791.42-182,669.78-41,828.06

Finding the Fourth Proportional to 121,791.42, 182,669.78 and 41,828.06

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Solution

The fourth proportional to 121,791.42, 182,669.78 and 41,828.06 is: 62,736.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,791.42 : 182,669.78 = 41,828.06 : x
  2. Step 2: Convert to fraction form
    121,791.42/182,669.78 = 41,828.06/x
  3. Step 3: Cross multiply
    121,791.42x = 182,669.78 × 41,828.06
  4. Step 4: Simplify right side
    121,791.42x = 7,640,723,079.27
  5. Step 5: Solve for x
    x = 7,640,723,079.27/121,791.42
  6. Step 6: Final answer
    x = 62,736.14

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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.