Home / 65,982.84-98,974.26-54,260.52

Finding the Fourth Proportional to 65,982.84, 98,974.26 and 54,260.52

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Solution

The fourth proportional to 65,982.84, 98,974.26 and 54,260.52 is: 81,390.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,982.84 : 98,974.26 = 54,260.52 : x
  2. Step 2: Convert to fraction form
    65,982.84/98,974.26 = 54,260.52/x
  3. Step 3: Cross multiply
    65,982.84x = 98,974.26 × 54,260.52
  4. Step 4: Simplify right side
    65,982.84x = 5,370,394,814.22
  5. Step 5: Solve for x
    x = 5,370,394,814.22/65,982.84
  6. Step 6: Final answer
    x = 81,390.78

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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.