Home / 106,989.22-160,485.64-40,460.86

Finding the Fourth Proportional to 106,989.22, 160,485.64 and 40,460.86

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Solution

The fourth proportional to 106,989.22, 160,485.64 and 40,460.86 is: 60,691.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,989.22 : 160,485.64 = 40,460.86 : x
  2. Step 2: Convert to fraction form
    106,989.22/160,485.64 = 40,460.86/x
  3. Step 3: Cross multiply
    106,989.22x = 160,485.64 × 40,460.86
  4. Step 4: Simplify right side
    106,989.22x = 6,493,387,012.05
  5. Step 5: Solve for x
    x = 6,493,387,012.05/106,989.22
  6. Step 6: Final answer
    x = 60,691.97

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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.