Home / 93,738.21-140,629.59-30,558.75

Finding the Fourth Proportional to 93,738.21, 140,629.59 and 30,558.75

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Solution

The fourth proportional to 93,738.21, 140,629.59 and 30,558.75 is: 45,845.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,738.21 : 140,629.59 = 30,558.75 : x
  2. Step 2: Convert to fraction form
    93,738.21/140,629.59 = 30,558.75/x
  3. Step 3: Cross multiply
    93,738.21x = 140,629.59 × 30,558.75
  4. Step 4: Simplify right side
    93,738.21x = 4,297,463,956.05
  5. Step 5: Solve for x
    x = 4,297,463,956.05/93,738.21
  6. Step 6: Final answer
    x = 45,845.38

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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.