Home / 73,116.18-109,717.97-67,167.54

Finding the Fourth Proportional to 73,116.18, 109,717.97 and 67,167.54

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Solution

The fourth proportional to 73,116.18, 109,717.97 and 67,167.54 is: 100,791.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,116.18 : 109,717.97 = 67,167.54 : x
  2. Step 2: Convert to fraction form
    73,116.18/109,717.97 = 67,167.54/x
  3. Step 3: Cross multiply
    73,116.18x = 109,717.97 × 67,167.54
  4. Step 4: Simplify right side
    73,116.18x = 7,369,485,802.86
  5. Step 5: Solve for x
    x = 7,369,485,802.86/73,116.18
  6. Step 6: Final answer
    x = 100,791.45

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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.