Home / 55,362.22-82,993.96-20,293.68

Finding the Fourth Proportional to 55,362.22, 82,993.96 and 20,293.68

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Solution

The fourth proportional to 55,362.22, 82,993.96 and 20,293.68 is: 30,422.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,362.22 : 82,993.96 = 20,293.68 : x
  2. Step 2: Convert to fraction form
    55,362.22/82,993.96 = 20,293.68/x
  3. Step 3: Cross multiply
    55,362.22x = 82,993.96 × 20,293.68
  4. Step 4: Simplify right side
    55,362.22x = 1,684,252,866.17
  5. Step 5: Solve for x
    x = 1,684,252,866.17/55,362.22
  6. Step 6: Final answer
    x = 30,422.42

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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.