Home / 54,194.35-81,186.32-39,936.95

Finding the Fourth Proportional to 54,194.35, 81,186.32 and 39,936.95

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Solution

The fourth proportional to 54,194.35, 81,186.32 and 39,936.95 is: 59,827.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,194.35 : 81,186.32 = 39,936.95 : x
  2. Step 2: Convert to fraction form
    54,194.35/81,186.32 = 39,936.95/x
  3. Step 3: Cross multiply
    54,194.35x = 81,186.32 × 39,936.95
  4. Step 4: Simplify right side
    54,194.35x = 3,242,334,000.88
  5. Step 5: Solve for x
    x = 3,242,334,000.88/54,194.35
  6. Step 6: Final answer
    x = 59,827.90

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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.