Home / 126,107.86-174,023.52-68,745.94

Finding the Fourth Proportional to 126,107.86, 174,023.52 and 68,745.94

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Solution

The fourth proportional to 126,107.86, 174,023.52 and 68,745.94 is: 94,866.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,107.86 : 174,023.52 = 68,745.94 : x
  2. Step 2: Convert to fraction form
    126,107.86/174,023.52 = 68,745.94/x
  3. Step 3: Cross multiply
    126,107.86x = 174,023.52 × 68,745.94
  4. Step 4: Simplify right side
    126,107.86x = 11,963,410,464.51
  5. Step 5: Solve for x
    x = 11,963,410,464.51/126,107.86
  6. Step 6: Final answer
    x = 94,866.49

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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.