Home / 54,811.88-75,640.60-29,661.38

Finding the Fourth Proportional to 54,811.88, 75,640.60 and 29,661.38

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Solution

The fourth proportional to 54,811.88, 75,640.60 and 29,661.38 is: 40,932.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,811.88 : 75,640.60 = 29,661.38 : x
  2. Step 2: Convert to fraction form
    54,811.88/75,640.60 = 29,661.38/x
  3. Step 3: Cross multiply
    54,811.88x = 75,640.60 × 29,661.38
  4. Step 4: Simplify right side
    54,811.88x = 2,243,604,580.03
  5. Step 5: Solve for x
    x = 2,243,604,580.03/54,811.88
  6. Step 6: Final answer
    x = 40,932.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.