Home / 126,664.64-174,789.96-70,072.64

Finding the Fourth Proportional to 126,664.64, 174,789.96 and 70,072.64

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Solution

The fourth proportional to 126,664.64, 174,789.96 and 70,072.64 is: 96,696.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,664.64 : 174,789.96 = 70,072.64 : x
  2. Step 2: Convert to fraction form
    126,664.64/174,789.96 = 70,072.64/x
  3. Step 3: Cross multiply
    126,664.64x = 174,789.96 × 70,072.64
  4. Step 4: Simplify right side
    126,664.64x = 12,247,993,942.69
  5. Step 5: Solve for x
    x = 12,247,993,942.69/126,664.64
  6. Step 6: Final answer
    x = 96,696.24

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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.