Home / 68,979.45-95,194.26-42,134.02

Finding the Fourth Proportional to 68,979.45, 95,194.26 and 42,134.02

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Solution

The fourth proportional to 68,979.45, 95,194.26 and 42,134.02 is: 58,146.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,979.45 : 95,194.26 = 42,134.02 : x
  2. Step 2: Convert to fraction form
    68,979.45/95,194.26 = 42,134.02/x
  3. Step 3: Cross multiply
    68,979.45x = 95,194.26 × 42,134.02
  4. Step 4: Simplify right side
    68,979.45x = 4,010,917,270.71
  5. Step 5: Solve for x
    x = 4,010,917,270.71/68,979.45
  6. Step 6: Final answer
    x = 58,146.55

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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.