Home / 122,271.94-168,742.22-68,554.36

Finding the Fourth Proportional to 122,271.94, 168,742.22 and 68,554.36

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Solution

The fourth proportional to 122,271.94, 168,742.22 and 68,554.36 is: 94,608.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,271.94 : 168,742.22 = 68,554.36 : x
  2. Step 2: Convert to fraction form
    122,271.94/168,742.22 = 68,554.36/x
  3. Step 3: Cross multiply
    122,271.94x = 168,742.22 × 68,554.36
  4. Step 4: Simplify right side
    122,271.94x = 11,568,014,897.08
  5. Step 5: Solve for x
    x = 11,568,014,897.08/122,271.94
  6. Step 6: Final answer
    x = 94,608.91

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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.