Home / 55,684.68-76,843.92-31,485.25

Finding the Fourth Proportional to 55,684.68, 76,843.92 and 31,485.25

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Solution

The fourth proportional to 55,684.68, 76,843.92 and 31,485.25 is: 43,449.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,684.68 : 76,843.92 = 31,485.25 : x
  2. Step 2: Convert to fraction form
    55,684.68/76,843.92 = 31,485.25/x
  3. Step 3: Cross multiply
    55,684.68x = 76,843.92 × 31,485.25
  4. Step 4: Simplify right side
    55,684.68x = 2,419,450,032.18
  5. Step 5: Solve for x
    x = 2,419,450,032.18/55,684.68
  6. Step 6: Final answer
    x = 43,449.11

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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.