Home / 124,838.44-172,277.04-68,249.80

Finding the Fourth Proportional to 124,838.44, 172,277.04 and 68,249.80

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Solution

The fourth proportional to 124,838.44, 172,277.04 and 68,249.80 is: 94,184.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,838.44 : 172,277.04 = 68,249.80 : x
  2. Step 2: Convert to fraction form
    124,838.44/172,277.04 = 68,249.80/x
  3. Step 3: Cross multiply
    124,838.44x = 172,277.04 × 68,249.80
  4. Step 4: Simplify right side
    124,838.44x = 11,757,873,524.59
  5. Step 5: Solve for x
    x = 11,757,873,524.59/124,838.44
  6. Step 6: Final answer
    x = 94,184.72

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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.