Home / 65,721.96-98,634.06-45,871.56

Finding the Fourth Proportional to 65,721.96, 98,634.06 and 45,871.56

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Solution

The fourth proportional to 65,721.96, 98,634.06 and 45,871.56 is: 68,843.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,721.96 : 98,634.06 = 45,871.56 : x
  2. Step 2: Convert to fraction form
    65,721.96/98,634.06 = 45,871.56/x
  3. Step 3: Cross multiply
    65,721.96x = 98,634.06 × 45,871.56
  4. Step 4: Simplify right side
    65,721.96x = 4,524,498,201.33
  5. Step 5: Solve for x
    x = 4,524,498,201.33/65,721.96
  6. Step 6: Final answer
    x = 68,843.02

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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.