Home / 106,536.02-159,607.20-53,819.60

Finding the Fourth Proportional to 106,536.02, 159,607.20 and 53,819.60

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Solution

The fourth proportional to 106,536.02, 159,607.20 and 53,819.60 is: 80,629.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,536.02 : 159,607.20 = 53,819.60 : x
  2. Step 2: Convert to fraction form
    106,536.02/159,607.20 = 53,819.60/x
  3. Step 3: Cross multiply
    106,536.02x = 159,607.20 × 53,819.60
  4. Step 4: Simplify right side
    106,536.02x = 8,589,995,661.12
  5. Step 5: Solve for x
    x = 8,589,995,661.12/106,536.02
  6. Step 6: Final answer
    x = 80,629.97

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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.