Home / 73,633.11-110,435.57-20,311.83

Finding the Fourth Proportional to 73,633.11, 110,435.57 and 20,311.83

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Solution

The fourth proportional to 73,633.11, 110,435.57 and 20,311.83 is: 30,463.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,633.11 : 110,435.57 = 20,311.83 : x
  2. Step 2: Convert to fraction form
    73,633.11/110,435.57 = 20,311.83/x
  3. Step 3: Cross multiply
    73,633.11x = 110,435.57 × 20,311.83
  4. Step 4: Simplify right side
    73,633.11x = 2,243,148,574.57
  5. Step 5: Solve for x
    x = 2,243,148,574.57/73,633.11
  6. Step 6: Final answer
    x = 30,463.86

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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.