Home / 82,791.44-124,172.42-35,433.16

Finding the Fourth Proportional to 82,791.44, 124,172.42 and 35,433.16

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Solution

The fourth proportional to 82,791.44, 124,172.42 and 35,433.16 is: 53,143.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,791.44 : 124,172.42 = 35,433.16 : x
  2. Step 2: Convert to fraction form
    82,791.44/124,172.42 = 35,433.16/x
  3. Step 3: Cross multiply
    82,791.44x = 124,172.42 × 35,433.16
  4. Step 4: Simplify right side
    82,791.44x = 4,399,821,225.45
  5. Step 5: Solve for x
    x = 4,399,821,225.45/82,791.44
  6. Step 6: Final answer
    x = 53,143.43

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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.