Home / 68,986.92-95,185.08-42,119.64

Finding the Fourth Proportional to 68,986.92, 95,185.08 and 42,119.64

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Solution

The fourth proportional to 68,986.92, 95,185.08 and 42,119.64 is: 58,114.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,986.92 : 95,185.08 = 42,119.64 : x
  2. Step 2: Convert to fraction form
    68,986.92/95,185.08 = 42,119.64/x
  3. Step 3: Cross multiply
    68,986.92x = 95,185.08 × 42,119.64
  4. Step 4: Simplify right side
    68,986.92x = 4,009,161,302.97
  5. Step 5: Solve for x
    x = 4,009,161,302.97/68,986.92
  6. Step 6: Final answer
    x = 58,114.80

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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.