Home / 126,100.62-174,019.09-68,740.41

Finding the Fourth Proportional to 126,100.62, 174,019.09 and 68,740.41

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Solution

The fourth proportional to 126,100.62, 174,019.09 and 68,740.41 is: 94,861.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,100.62 : 174,019.09 = 68,740.41 : x
  2. Step 2: Convert to fraction form
    126,100.62/174,019.09 = 68,740.41/x
  3. Step 3: Cross multiply
    126,100.62x = 174,019.09 × 68,740.41
  4. Step 4: Simplify right side
    126,100.62x = 11,962,143,594.43
  5. Step 5: Solve for x
    x = 11,962,143,594.43/126,100.62
  6. Step 6: Final answer
    x = 94,861.89

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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.