Home / 68,945.77-95,145.53-38,732.37

Finding the Fourth Proportional to 68,945.77, 95,145.53 and 38,732.37

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Solution

The fourth proportional to 68,945.77, 95,145.53 and 38,732.37 is: 53,450.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,945.77 : 95,145.53 = 38,732.37 : x
  2. Step 2: Convert to fraction form
    68,945.77/95,145.53 = 38,732.37/x
  3. Step 3: Cross multiply
    68,945.77x = 95,145.53 × 38,732.37
  4. Step 4: Simplify right side
    68,945.77x = 3,685,211,871.81
  5. Step 5: Solve for x
    x = 3,685,211,871.81/68,945.77
  6. Step 6: Final answer
    x = 53,450.88

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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.