Home / 93,076.21-128,448.39-50,636.26

Finding the Fourth Proportional to 93,076.21, 128,448.39 and 50,636.26

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Solution

The fourth proportional to 93,076.21, 128,448.39 and 50,636.26 is: 69,879.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,076.21 : 128,448.39 = 50,636.26 : x
  2. Step 2: Convert to fraction form
    93,076.21/128,448.39 = 50,636.26/x
  3. Step 3: Cross multiply
    93,076.21x = 128,448.39 × 50,636.26
  4. Step 4: Simplify right side
    93,076.21x = 6,504,146,072.62
  5. Step 5: Solve for x
    x = 6,504,146,072.62/93,076.21
  6. Step 6: Final answer
    x = 69,879.79

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1.5x scale

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.