Home / 93,431.14-128,249.11-82,583.62

Finding the Fourth Proportional to 93,431.14, 128,249.11 and 82,583.62

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Solution

The fourth proportional to 93,431.14, 128,249.11 and 82,583.62 is: 113,359.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,431.14 : 128,249.11 = 82,583.62 : x
  2. Step 2: Convert to fraction form
    93,431.14/128,249.11 = 82,583.62/x
  3. Step 3: Cross multiply
    93,431.14x = 128,249.11 × 82,583.62
  4. Step 4: Simplify right side
    93,431.14x = 10,591,275,765.58
  5. Step 5: Solve for x
    x = 10,591,275,765.58/93,431.14
  6. Step 6: Final answer
    x = 113,359.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.