Home / 68,921.96-95,132.93-40,249.35

Finding the Fourth Proportional to 68,921.96, 95,132.93 and 40,249.35

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Solution

The fourth proportional to 68,921.96, 95,132.93 and 40,249.35 is: 55,556.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,921.96 : 95,132.93 = 40,249.35 : x
  2. Step 2: Convert to fraction form
    68,921.96/95,132.93 = 40,249.35/x
  3. Step 3: Cross multiply
    68,921.96x = 95,132.93 × 40,249.35
  4. Step 4: Simplify right side
    68,921.96x = 3,829,038,394.85
  5. Step 5: Solve for x
    x = 3,829,038,394.85/68,921.96
  6. Step 6: Final answer
    x = 55,556.15

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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.