Home / 53,108.62-73,289.46-30,447.64

Finding the Fourth Proportional to 53,108.62, 73,289.46 and 30,447.64

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Solution

The fourth proportional to 53,108.62, 73,289.46 and 30,447.64 is: 42,017.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,108.62 : 73,289.46 = 30,447.64 : x
  2. Step 2: Convert to fraction form
    53,108.62/73,289.46 = 30,447.64/x
  3. Step 3: Cross multiply
    53,108.62x = 73,289.46 × 30,447.64
  4. Step 4: Simplify right side
    53,108.62x = 2,231,491,093.87
  5. Step 5: Solve for x
    x = 2,231,491,093.87/53,108.62
  6. Step 6: Final answer
    x = 42,017.49

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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.