Home / 108,722.35-163,004.57-73,095.21

Finding the Fourth Proportional to 108,722.35, 163,004.57 and 73,095.21

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Solution

The fourth proportional to 108,722.35, 163,004.57 and 73,095.21 is: 109,589.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,722.35 : 163,004.57 = 73,095.21 : x
  2. Step 2: Convert to fraction form
    108,722.35/163,004.57 = 73,095.21/x
  3. Step 3: Cross multiply
    108,722.35x = 163,004.57 × 73,095.21
  4. Step 4: Simplify right side
    108,722.35x = 11,914,853,183.74
  5. Step 5: Solve for x
    x = 11,914,853,183.74/108,722.35
  6. Step 6: Final answer
    x = 109,589.73

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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.