Home / 57,716.32-86,565.82-18,268.32

Finding the Fourth Proportional to 57,716.32, 86,565.82 and 18,268.32

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Solution

The fourth proportional to 57,716.32, 86,565.82 and 18,268.32 is: 27,399.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,716.32 : 86,565.82 = 18,268.32 : x
  2. Step 2: Convert to fraction form
    57,716.32/86,565.82 = 18,268.32/x
  3. Step 3: Cross multiply
    57,716.32x = 86,565.82 × 18,268.32
  4. Step 4: Simplify right side
    57,716.32x = 1,581,412,100.82
  5. Step 5: Solve for x
    x = 1,581,412,100.82/57,716.32
  6. Step 6: Final answer
    x = 27,399.74

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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.