Home / 55,795.14-76,997.31-30,644.64

Finding the Fourth Proportional to 55,795.14, 76,997.31 and 30,644.64

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Solution

The fourth proportional to 55,795.14, 76,997.31 and 30,644.64 is: 42,289.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,795.14 : 76,997.31 = 30,644.64 : x
  2. Step 2: Convert to fraction form
    55,795.14/76,997.31 = 30,644.64/x
  3. Step 3: Cross multiply
    55,795.14x = 76,997.31 × 30,644.64
  4. Step 4: Simplify right side
    55,795.14x = 2,359,554,845.92
  5. Step 5: Solve for x
    x = 2,359,554,845.92/55,795.14
  6. Step 6: Final answer
    x = 42,289.61

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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.