Home / 54,205.66-81,290.25-18,174.82

Finding the Fourth Proportional to 54,205.66, 81,290.25 and 18,174.82

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Solution

The fourth proportional to 54,205.66, 81,290.25 and 18,174.82 is: 27,256.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,205.66 : 81,290.25 = 18,174.82 : x
  2. Step 2: Convert to fraction form
    54,205.66/81,290.25 = 18,174.82/x
  3. Step 3: Cross multiply
    54,205.66x = 81,290.25 × 18,174.82
  4. Step 4: Simplify right side
    54,205.66x = 1,477,435,661.51
  5. Step 5: Solve for x
    x = 1,477,435,661.51/54,205.66
  6. Step 6: Final answer
    x = 27,256.11

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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.