Home / 85,819.44-118,433.62-47,582.54

Finding the Fourth Proportional to 85,819.44, 118,433.62 and 47,582.54

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Solution

The fourth proportional to 85,819.44, 118,433.62 and 47,582.54 is: 65,665.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,819.44 : 118,433.62 = 47,582.54 : x
  2. Step 2: Convert to fraction form
    85,819.44/118,433.62 = 47,582.54/x
  3. Step 3: Cross multiply
    85,819.44x = 118,433.62 × 47,582.54
  4. Step 4: Simplify right side
    85,819.44x = 5,635,372,914.45
  5. Step 5: Solve for x
    x = 5,635,372,914.45/85,819.44
  6. Step 6: Final answer
    x = 65,665.46

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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.