Home / 73,020.73-100,769.37-40,758.43

Finding the Fourth Proportional to 73,020.73, 100,769.37 and 40,758.43

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Solution

The fourth proportional to 73,020.73, 100,769.37 and 40,758.43 is: 56,247.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,020.73 : 100,769.37 = 40,758.43 : x
  2. Step 2: Convert to fraction form
    73,020.73/100,769.37 = 40,758.43/x
  3. Step 3: Cross multiply
    73,020.73x = 100,769.37 × 40,758.43
  4. Step 4: Simplify right side
    73,020.73x = 4,107,200,809.44
  5. Step 5: Solve for x
    x = 4,107,200,809.44/73,020.73
  6. Step 6: Final answer
    x = 56,247.06

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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.