Home / 55,618.64-83,441.46-18,180.44

Finding the Fourth Proportional to 55,618.64, 83,441.46 and 18,180.44

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Solution

The fourth proportional to 55,618.64, 83,441.46 and 18,180.44 is: 27,275.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,618.64 : 83,441.46 = 18,180.44 : x
  2. Step 2: Convert to fraction form
    55,618.64/83,441.46 = 18,180.44/x
  3. Step 3: Cross multiply
    55,618.64x = 83,441.46 × 18,180.44
  4. Step 4: Simplify right side
    55,618.64x = 1,517,002,039.84
  5. Step 5: Solve for x
    x = 1,517,002,039.84/55,618.64
  6. Step 6: Final answer
    x = 27,275.07

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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.