Home / 126,418.58-174,448.77-69,825.50

Finding the Fourth Proportional to 126,418.58, 174,448.77 and 69,825.50

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Solution

The fourth proportional to 126,418.58, 174,448.77 and 69,825.50 is: 96,354.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,418.58 : 174,448.77 = 69,825.50 : x
  2. Step 2: Convert to fraction form
    126,418.58/174,448.77 = 69,825.50/x
  3. Step 3: Cross multiply
    126,418.58x = 174,448.77 × 69,825.50
  4. Step 4: Simplify right side
    126,418.58x = 12,180,972,589.64
  5. Step 5: Solve for x
    x = 12,180,972,589.64/126,418.58
  6. Step 6: Final answer
    x = 96,354.29

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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.