Home / 73,286.11-109,855.30-28,895.71

Finding the Fourth Proportional to 73,286.11, 109,855.30 and 28,895.71

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Solution

The fourth proportional to 73,286.11, 109,855.30 and 28,895.71 is: 43,314.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,286.11 : 109,855.30 = 28,895.71 : x
  2. Step 2: Convert to fraction form
    73,286.11/109,855.30 = 28,895.71/x
  3. Step 3: Cross multiply
    73,286.11x = 109,855.30 × 28,895.71
  4. Step 4: Simplify right side
    73,286.11x = 3,174,346,890.76
  5. Step 5: Solve for x
    x = 3,174,346,890.76/73,286.11
  6. Step 6: Final answer
    x = 43,314.44

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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.