Home / 68,152.22-102,272.07-33,072.74

Finding the Fourth Proportional to 68,152.22, 102,272.07 and 33,072.74

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Solution

The fourth proportional to 68,152.22, 102,272.07 and 33,072.74 is: 49,630.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,152.22 : 102,272.07 = 33,072.74 : x
  2. Step 2: Convert to fraction form
    68,152.22/102,272.07 = 33,072.74/x
  3. Step 3: Cross multiply
    68,152.22x = 102,272.07 × 33,072.74
  4. Step 4: Simplify right side
    68,152.22x = 3,382,417,069.01
  5. Step 5: Solve for x
    x = 3,382,417,069.01/68,152.22
  6. Step 6: Final answer
    x = 49,630.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.