Home / 93,906.60-141,045.11-80,687.55

Finding the Fourth Proportional to 93,906.60, 141,045.11 and 80,687.55

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Solution

The fourth proportional to 93,906.60, 141,045.11 and 80,687.55 is: 121,190.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,906.60 : 141,045.11 = 80,687.55 : x
  2. Step 2: Convert to fraction form
    93,906.60/141,045.11 = 80,687.55/x
  3. Step 3: Cross multiply
    93,906.60x = 141,045.11 × 80,687.55
  4. Step 4: Simplify right side
    93,906.60x = 11,380,584,850.62
  5. Step 5: Solve for x
    x = 11,380,584,850.62/93,906.60
  6. Step 6: Final answer
    x = 121,190.47

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1.5x scale

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.