Home / 68,121.27-102,034.22-32,987.25

Finding the Fourth Proportional to 68,121.27, 102,034.22 and 32,987.25

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Solution

The fourth proportional to 68,121.27, 102,034.22 and 32,987.25 is: 49,409.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,121.27 : 102,034.22 = 32,987.25 : x
  2. Step 2: Convert to fraction form
    68,121.27/102,034.22 = 32,987.25/x
  3. Step 3: Cross multiply
    68,121.27x = 102,034.22 × 32,987.25
  4. Step 4: Simplify right side
    68,121.27x = 3,365,828,158.76
  5. Step 5: Solve for x
    x = 3,365,828,158.76/68,121.27
  6. Step 6: Final answer
    x = 49,409.36

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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.