Home / 126,716.43-174,867.34-68,571.90

Finding the Fourth Proportional to 126,716.43, 174,867.34 and 68,571.90

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Solution

The fourth proportional to 126,716.43, 174,867.34 and 68,571.90 is: 94,628.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,716.43 : 174,867.34 = 68,571.90 : x
  2. Step 2: Convert to fraction form
    126,716.43/174,867.34 = 68,571.90/x
  3. Step 3: Cross multiply
    126,716.43x = 174,867.34 × 68,571.90
  4. Step 4: Simplify right side
    126,716.43x = 11,990,985,751.75
  5. Step 5: Solve for x
    x = 11,990,985,751.75/126,716.43
  6. Step 6: Final answer
    x = 94,628.50

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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.