Home / 68,212.21-94,147.37-45,843.25

Finding the Fourth Proportional to 68,212.21, 94,147.37 and 45,843.25

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Solution

The fourth proportional to 68,212.21, 94,147.37 and 45,843.25 is: 63,273.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,212.21 : 94,147.37 = 45,843.25 : x
  2. Step 2: Convert to fraction form
    68,212.21/94,147.37 = 45,843.25/x
  3. Step 3: Cross multiply
    68,212.21x = 94,147.37 × 45,843.25
  4. Step 4: Simplify right side
    68,212.21x = 4,316,021,419.75
  5. Step 5: Solve for x
    x = 4,316,021,419.75/68,212.21
  6. Step 6: Final answer
    x = 63,273.44

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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.