Home / 68,975.34-95,183.26-42,162.72

Finding the Fourth Proportional to 68,975.34, 95,183.26 and 42,162.72

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Solution

The fourth proportional to 68,975.34, 95,183.26 and 42,162.72 is: 58,182.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,975.34 : 95,183.26 = 42,162.72 : x
  2. Step 2: Convert to fraction form
    68,975.34/95,183.26 = 42,162.72/x
  3. Step 3: Cross multiply
    68,975.34x = 95,183.26 × 42,162.72
  4. Step 4: Simplify right side
    68,975.34x = 4,013,185,140.07
  5. Step 5: Solve for x
    x = 4,013,185,140.07/68,975.34
  6. Step 6: Final answer
    x = 58,182.90

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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.