Home / 82,740.72-114,190.60-48,759.80

Finding the Fourth Proportional to 82,740.72, 114,190.60 and 48,759.80

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Solution

The fourth proportional to 82,740.72, 114,190.60 and 48,759.80 is: 67,293.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,740.72 : 114,190.60 = 48,759.80 : x
  2. Step 2: Convert to fraction form
    82,740.72/114,190.60 = 48,759.80/x
  3. Step 3: Cross multiply
    82,740.72x = 114,190.60 × 48,759.80
  4. Step 4: Simplify right side
    82,740.72x = 5,567,910,817.88
  5. Step 5: Solve for x
    x = 5,567,910,817.88/82,740.72
  6. Step 6: Final answer
    x = 67,293.48

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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.