Home / 53,107.62-73,288.08-30,446.64

Finding the Fourth Proportional to 53,107.62, 73,288.08 and 30,446.64

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Solution

The fourth proportional to 53,107.62, 73,288.08 and 30,446.64 is: 42,016.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,107.62 : 73,288.08 = 30,446.64 : x
  2. Step 2: Convert to fraction form
    53,107.62/73,288.08 = 30,446.64/x
  3. Step 3: Cross multiply
    53,107.62x = 73,288.08 × 30,446.64
  4. Step 4: Simplify right side
    53,107.62x = 2,231,375,788.05
  5. Step 5: Solve for x
    x = 2,231,375,788.05/53,107.62
  6. Step 6: Final answer
    x = 42,016.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.