Home / 54,121.02-81,185.52-18,584.94

Finding the Fourth Proportional to 54,121.02, 81,185.52 and 18,584.94

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Solution

The fourth proportional to 54,121.02, 81,185.52 and 18,584.94 is: 27,878.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,121.02 : 81,185.52 = 18,584.94 : x
  2. Step 2: Convert to fraction form
    54,121.02/81,185.52 = 18,584.94/x
  3. Step 3: Cross multiply
    54,121.02x = 81,185.52 × 18,584.94
  4. Step 4: Simplify right side
    54,121.02x = 1,508,828,018.07
  5. Step 5: Solve for x
    x = 1,508,828,018.07/54,121.02
  6. Step 6: Final answer
    x = 27,878.78

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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.