Home / 110,911.16-166,432.62-40,839.68

Finding the Fourth Proportional to 110,911.16, 166,432.62 and 40,839.68

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Solution

The fourth proportional to 110,911.16, 166,432.62 and 40,839.68 is: 61,283.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,911.16 : 166,432.62 = 40,839.68 : x
  2. Step 2: Convert to fraction form
    110,911.16/166,432.62 = 40,839.68/x
  3. Step 3: Cross multiply
    110,911.16x = 166,432.62 × 40,839.68
  4. Step 4: Simplify right side
    110,911.16x = 6,797,054,942.36
  5. Step 5: Solve for x
    x = 6,797,054,942.36/110,911.16
  6. Step 6: Final answer
    x = 61,283.78

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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.