Home / 126,725.24-174,880.37-68,581.86

Finding the Fourth Proportional to 126,725.24, 174,880.37 and 68,581.86

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Solution

The fourth proportional to 126,725.24, 174,880.37 and 68,581.86 is: 94,642.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,725.24 : 174,880.37 = 68,581.86 : x
  2. Step 2: Convert to fraction form
    126,725.24/174,880.37 = 68,581.86/x
  3. Step 3: Cross multiply
    126,725.24x = 174,880.37 × 68,581.86
  4. Step 4: Simplify right side
    126,725.24x = 11,993,619,834.78
  5. Step 5: Solve for x
    x = 11,993,619,834.78/126,725.24
  6. Step 6: Final answer
    x = 94,642.71

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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.