Home / 111,014.64-166,546.53-51,817.98

Finding the Fourth Proportional to 111,014.64, 166,546.53 and 51,817.98

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Solution

The fourth proportional to 111,014.64, 166,546.53 and 51,817.98 is: 77,738.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,014.64 : 166,546.53 = 51,817.98 : x
  2. Step 2: Convert to fraction form
    111,014.64/166,546.53 = 51,817.98/x
  3. Step 3: Cross multiply
    111,014.64x = 166,546.53 × 51,817.98
  4. Step 4: Simplify right side
    111,014.64x = 8,630,104,760.61
  5. Step 5: Solve for x
    x = 8,630,104,760.61/111,014.64
  6. Step 6: Final answer
    x = 77,738.44

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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.