Home / 55,707.72-83,578.92-18,268.08

Finding the Fourth Proportional to 55,707.72, 83,578.92 and 18,268.08

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Solution

The fourth proportional to 55,707.72, 83,578.92 and 18,268.08 is: 27,407.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,707.72 : 83,578.92 = 18,268.08 : x
  2. Step 2: Convert to fraction form
    55,707.72/83,578.92 = 18,268.08/x
  3. Step 3: Cross multiply
    55,707.72x = 83,578.92 × 18,268.08
  4. Step 4: Simplify right side
    55,707.72x = 1,526,826,396.87
  5. Step 5: Solve for x
    x = 1,526,826,396.87/55,707.72
  6. Step 6: Final answer
    x = 27,407.81

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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.