Home / 54,385.88-81,611.12-29,425.38

Finding the Fourth Proportional to 54,385.88, 81,611.12 and 29,425.38

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Solution

The fourth proportional to 54,385.88, 81,611.12 and 29,425.38 is: 44,155.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,385.88 : 81,611.12 = 29,425.38 : x
  2. Step 2: Convert to fraction form
    54,385.88/81,611.12 = 29,425.38/x
  3. Step 3: Cross multiply
    54,385.88x = 81,611.12 × 29,425.38
  4. Step 4: Simplify right side
    54,385.88x = 2,401,438,218.23
  5. Step 5: Solve for x
    x = 2,401,438,218.23/54,385.88
  6. Step 6: Final answer
    x = 44,155.55

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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.