Home / 110,781.72-166,106.61-51,630.66

Finding the Fourth Proportional to 110,781.72, 166,106.61 and 51,630.66

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Solution

The fourth proportional to 110,781.72, 166,106.61 and 51,630.66 is: 77,415.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,781.72 : 166,106.61 = 51,630.66 : x
  2. Step 2: Convert to fraction form
    110,781.72/166,106.61 = 51,630.66/x
  3. Step 3: Cross multiply
    110,781.72x = 166,106.61 × 51,630.66
  4. Step 4: Simplify right side
    110,781.72x = 8,576,193,904.66
  5. Step 5: Solve for x
    x = 8,576,193,904.66/110,781.72
  6. Step 6: Final answer
    x = 77,415.24

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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.