Home / 68,974.86-95,194.08-42,111.60

Finding the Fourth Proportional to 68,974.86, 95,194.08 and 42,111.60

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Solution

The fourth proportional to 68,974.86, 95,194.08 and 42,111.60 is: 58,119.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,974.86 : 95,194.08 = 42,111.60 : x
  2. Step 2: Convert to fraction form
    68,974.86/95,194.08 = 42,111.60/x
  3. Step 3: Cross multiply
    68,974.86x = 95,194.08 × 42,111.60
  4. Step 4: Simplify right side
    68,974.86x = 4,008,775,019.33
  5. Step 5: Solve for x
    x = 4,008,775,019.33/68,974.86
  6. Step 6: Final answer
    x = 58,119.36

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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.