Home / 55,568.31-83,357.46-18,118.68

Finding the Fourth Proportional to 55,568.31, 83,357.46 and 18,118.68

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Solution

The fourth proportional to 55,568.31, 83,357.46 and 18,118.68 is: 27,179.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,568.31 : 83,357.46 = 18,118.68 : x
  2. Step 2: Convert to fraction form
    55,568.31/83,357.46 = 18,118.68/x
  3. Step 3: Cross multiply
    55,568.31x = 83,357.46 × 18,118.68
  4. Step 4: Simplify right side
    55,568.31x = 1,510,327,143.35
  5. Step 5: Solve for x
    x = 1,510,327,143.35/55,568.31
  6. Step 6: Final answer
    x = 27,179.65

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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.