Home / 54,540.15-75,302.69-41,770.77

Finding the Fourth Proportional to 54,540.15, 75,302.69 and 41,770.77

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Solution

The fourth proportional to 54,540.15, 75,302.69 and 41,770.77 is: 57,672.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,540.15 : 75,302.69 = 41,770.77 : x
  2. Step 2: Convert to fraction form
    54,540.15/75,302.69 = 41,770.77/x
  3. Step 3: Cross multiply
    54,540.15x = 75,302.69 × 41,770.77
  4. Step 4: Simplify right side
    54,540.15x = 3,145,451,135.52
  5. Step 5: Solve for x
    x = 3,145,451,135.52/54,540.15
  6. Step 6: Final answer
    x = 57,672.21

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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.