Home / 108,109.44-162,115.56-48,992.40

Finding the Fourth Proportional to 108,109.44, 162,115.56 and 48,992.40

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Solution

The fourth proportional to 108,109.44, 162,115.56 and 48,992.40 is: 73,466.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,109.44 : 162,115.56 = 48,992.40 : x
  2. Step 2: Convert to fraction form
    108,109.44/162,115.56 = 48,992.40/x
  3. Step 3: Cross multiply
    108,109.44x = 162,115.56 × 48,992.40
  4. Step 4: Simplify right side
    108,109.44x = 7,942,430,361.74
  5. Step 5: Solve for x
    x = 7,942,430,361.74/108,109.44
  6. Step 6: Final answer
    x = 73,466.58

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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.