Home / 105,964.44-158,911.56-42,768.24

Finding the Fourth Proportional to 105,964.44, 158,911.56 and 42,768.24

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Solution

The fourth proportional to 105,964.44, 158,911.56 and 42,768.24 is: 64,138.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,964.44 : 158,911.56 = 42,768.24 : x
  2. Step 2: Convert to fraction form
    105,964.44/158,911.56 = 42,768.24/x
  3. Step 3: Cross multiply
    105,964.44x = 158,911.56 × 42,768.24
  4. Step 4: Simplify right side
    105,964.44x = 6,796,367,736.85
  5. Step 5: Solve for x
    x = 6,796,367,736.85/105,964.44
  6. Step 6: Final answer
    x = 64,138.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.