Home / 80,688.48-111,273.66-51,626.03

Finding the Fourth Proportional to 80,688.48, 111,273.66 and 51,626.03

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Solution

The fourth proportional to 80,688.48, 111,273.66 and 51,626.03 is: 71,195.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,688.48 : 111,273.66 = 51,626.03 : x
  2. Step 2: Convert to fraction form
    80,688.48/111,273.66 = 51,626.03/x
  3. Step 3: Cross multiply
    80,688.48x = 111,273.66 × 51,626.03
  4. Step 4: Simplify right side
    80,688.48x = 5,744,617,309.37
  5. Step 5: Solve for x
    x = 5,744,617,309.37/80,688.48
  6. Step 6: Final answer
    x = 71,195.02

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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.