Home / 85,906.36-118,550.52-48,181.44

Finding the Fourth Proportional to 85,906.36, 118,550.52 and 48,181.44

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Solution

The fourth proportional to 85,906.36, 118,550.52 and 48,181.44 is: 66,490.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,906.36 : 118,550.52 = 48,181.44 : x
  2. Step 2: Convert to fraction form
    85,906.36/118,550.52 = 48,181.44/x
  3. Step 3: Cross multiply
    85,906.36x = 118,550.52 × 48,181.44
  4. Step 4: Simplify right side
    85,906.36x = 5,711,934,766.35
  5. Step 5: Solve for x
    x = 5,711,934,766.35/85,906.36
  6. Step 6: Final answer
    x = 66,490.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.