Home / 124,879.08-172,333.04-68,290.44

Finding the Fourth Proportional to 124,879.08, 172,333.04 and 68,290.44

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Solution

The fourth proportional to 124,879.08, 172,333.04 and 68,290.44 is: 94,240.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,879.08 : 172,333.04 = 68,290.44 : x
  2. Step 2: Convert to fraction form
    124,879.08/172,333.04 = 68,290.44/x
  3. Step 3: Cross multiply
    124,879.08x = 172,333.04 × 68,290.44
  4. Step 4: Simplify right side
    124,879.08x = 11,768,698,786.69
  5. Step 5: Solve for x
    x = 11,768,698,786.69/124,879.08
  6. Step 6: Final answer
    x = 94,240.76

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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.