Home / 73,568.20-110,352.30-54,905.80

Finding the Fourth Proportional to 73,568.20, 110,352.30 and 54,905.80

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Solution

The fourth proportional to 73,568.20, 110,352.30 and 54,905.80 is: 82,358.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,568.20 : 110,352.30 = 54,905.80 : x
  2. Step 2: Convert to fraction form
    73,568.20/110,352.30 = 54,905.80/x
  3. Step 3: Cross multiply
    73,568.20x = 110,352.30 × 54,905.80
  4. Step 4: Simplify right side
    73,568.20x = 6,058,981,313.34
  5. Step 5: Solve for x
    x = 6,058,981,313.34/73,568.20
  6. Step 6: Final answer
    x = 82,358.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.