Home / 54,613.56-81,931.29-17,183.07

Finding the Fourth Proportional to 54,613.56, 81,931.29 and 17,183.07

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Solution

The fourth proportional to 54,613.56, 81,931.29 and 17,183.07 is: 25,778.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,613.56 : 81,931.29 = 17,183.07 : x
  2. Step 2: Convert to fraction form
    54,613.56/81,931.29 = 17,183.07/x
  3. Step 3: Cross multiply
    54,613.56x = 81,931.29 × 17,183.07
  4. Step 4: Simplify right side
    54,613.56x = 1,407,831,091.26
  5. Step 5: Solve for x
    x = 1,407,831,091.26/54,613.56
  6. Step 6: Final answer
    x = 25,778.05

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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.