Home / 126,067.04-173,970.16-68,706.80

Finding the Fourth Proportional to 126,067.04, 173,970.16 and 68,706.80

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Solution

The fourth proportional to 126,067.04, 173,970.16 and 68,706.80 is: 94,814.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,067.04 : 173,970.16 = 68,706.80 : x
  2. Step 2: Convert to fraction form
    126,067.04/173,970.16 = 68,706.80/x
  3. Step 3: Cross multiply
    126,067.04x = 173,970.16 × 68,706.80
  4. Step 4: Simplify right side
    126,067.04x = 11,952,932,989.09
  5. Step 5: Solve for x
    x = 11,952,932,989.09/126,067.04
  6. Step 6: Final answer
    x = 94,814.10

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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.