Home / 83,664.48-125,537.76-36,861.60

Finding the Fourth Proportional to 83,664.48, 125,537.76 and 36,861.60

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Solution

The fourth proportional to 83,664.48, 125,537.76 and 36,861.60 is: 55,310.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,664.48 : 125,537.76 = 36,861.60 : x
  2. Step 2: Convert to fraction form
    83,664.48/125,537.76 = 36,861.60/x
  3. Step 3: Cross multiply
    83,664.48x = 125,537.76 × 36,861.60
  4. Step 4: Simplify right side
    83,664.48x = 4,627,522,694.02
  5. Step 5: Solve for x
    x = 4,627,522,694.02/83,664.48
  6. Step 6: Final answer
    x = 55,310.48

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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.