Home / 57,708.54-86,575.78-18,268.02

Finding the Fourth Proportional to 57,708.54, 86,575.78 and 18,268.02

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Solution

The fourth proportional to 57,708.54, 86,575.78 and 18,268.02 is: 27,406.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,708.54 : 86,575.78 = 18,268.02 : x
  2. Step 2: Convert to fraction form
    57,708.54/86,575.78 = 18,268.02/x
  3. Step 3: Cross multiply
    57,708.54x = 86,575.78 × 18,268.02
  4. Step 4: Simplify right side
    57,708.54x = 1,581,568,080.56
  5. Step 5: Solve for x
    x = 1,581,568,080.56/57,708.54
  6. Step 6: Final answer
    x = 27,406.14

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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.