Home / 111,660.64-167,396.78-48,433.14

Finding the Fourth Proportional to 111,660.64, 167,396.78 and 48,433.14

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Solution

The fourth proportional to 111,660.64, 167,396.78 and 48,433.14 is: 72,608.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,660.64 : 167,396.78 = 48,433.14 : x
  2. Step 2: Convert to fraction form
    111,660.64/167,396.78 = 48,433.14/x
  3. Step 3: Cross multiply
    111,660.64x = 167,396.78 × 48,433.14
  4. Step 4: Simplify right side
    111,660.64x = 8,107,551,529.94
  5. Step 5: Solve for x
    x = 8,107,551,529.94/111,660.64
  6. Step 6: Final answer
    x = 72,608.86

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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.