Home / 74,116.62-111,035.61-36,633.06

Finding the Fourth Proportional to 74,116.62, 111,035.61 and 36,633.06

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Solution

The fourth proportional to 74,116.62, 111,035.61 and 36,633.06 is: 54,880.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,116.62 : 111,035.61 = 36,633.06 : x
  2. Step 2: Convert to fraction form
    74,116.62/111,035.61 = 36,633.06/x
  3. Step 3: Cross multiply
    74,116.62x = 111,035.61 × 36,633.06
  4. Step 4: Simplify right side
    74,116.62x = 4,067,574,163.27
  5. Step 5: Solve for x
    x = 4,067,574,163.27/74,116.62
  6. Step 6: Final answer
    x = 54,880.73

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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.