Home / 68,964.77-95,181.68-42,122.72

Finding the Fourth Proportional to 68,964.77, 95,181.68 and 42,122.72

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Solution

The fourth proportional to 68,964.77, 95,181.68 and 42,122.72 is: 58,135.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,964.77 : 95,181.68 = 42,122.72 : x
  2. Step 2: Convert to fraction form
    68,964.77/95,181.68 = 42,122.72/x
  3. Step 3: Cross multiply
    68,964.77x = 95,181.68 × 42,122.72
  4. Step 4: Simplify right side
    68,964.77x = 4,009,311,255.77
  5. Step 5: Solve for x
    x = 4,009,311,255.77/68,964.77
  6. Step 6: Final answer
    x = 58,135.64

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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.