Home / 53,105.76-73,286.28-29,231.82

Finding the Fourth Proportional to 53,105.76, 73,286.28 and 29,231.82

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Solution

The fourth proportional to 53,105.76, 73,286.28 and 29,231.82 is: 40,340.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,105.76 : 73,286.28 = 29,231.82 : x
  2. Step 2: Convert to fraction form
    53,105.76/73,286.28 = 29,231.82/x
  3. Step 3: Cross multiply
    53,105.76x = 73,286.28 × 29,231.82
  4. Step 4: Simplify right side
    53,105.76x = 2,142,291,345.43
  5. Step 5: Solve for x
    x = 2,142,291,345.43/53,105.76
  6. Step 6: Final answer
    x = 40,340.09

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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.