Home / 108,342.16-162,493.32-49,163.60

Finding the Fourth Proportional to 108,342.16, 162,493.32 and 49,163.60

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Solution

The fourth proportional to 108,342.16, 162,493.32 and 49,163.60 is: 73,736.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,342.16 : 162,493.32 = 49,163.60 : x
  2. Step 2: Convert to fraction form
    108,342.16/162,493.32 = 49,163.60/x
  3. Step 3: Cross multiply
    108,342.16x = 162,493.32 × 49,163.60
  4. Step 4: Simplify right side
    108,342.16x = 7,988,756,587.15
  5. Step 5: Solve for x
    x = 7,988,756,587.15/108,342.16
  6. Step 6: Final answer
    x = 73,736.36

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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.