Home / 108,080.93-162,137.70-51,910.47

Finding the Fourth Proportional to 108,080.93, 162,137.70 and 51,910.47

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Solution

The fourth proportional to 108,080.93, 162,137.70 and 51,910.47 is: 77,873.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,080.93 : 162,137.70 = 51,910.47 : x
  2. Step 2: Convert to fraction form
    108,080.93/162,137.70 = 51,910.47/x
  3. Step 3: Cross multiply
    108,080.93x = 162,137.70 × 51,910.47
  4. Step 4: Simplify right side
    108,080.93x = 8,416,644,211.72
  5. Step 5: Solve for x
    x = 8,416,644,211.72/108,080.93
  6. Step 6: Final answer
    x = 77,873.53

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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.