Home / 110,729.32-166,115.84-40,609.24

Finding the Fourth Proportional to 110,729.32, 166,115.84 and 40,609.24

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Solution

The fourth proportional to 110,729.32, 166,115.84 and 40,609.24 is: 60,921.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,729.32 : 166,115.84 = 40,609.24 : x
  2. Step 2: Convert to fraction form
    110,729.32/166,115.84 = 40,609.24/x
  3. Step 3: Cross multiply
    110,729.32x = 166,115.84 × 40,609.24
  4. Step 4: Simplify right side
    110,729.32x = 6,745,838,014.36
  5. Step 5: Solve for x
    x = 6,745,838,014.36/110,729.32
  6. Step 6: Final answer
    x = 60,921.88

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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.