Finding the Fourth Proportional to 68,163.41, 102,304.17 and 68,005.79
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Solution
The fourth proportional to 68,163.41, 102,304.17 and 68,005.79 is: 102,067.60
Step by Step Solution
- Step 1: Write the proportion equation
68,163.41 : 102,304.17 = 68,005.79 : x - Step 2: Convert to fraction form
68,163.41/102,304.17 = 68,005.79/x - Step 3: Cross multiply
68,163.41x = 102,304.17 × 68,005.79 - Step 4: Simplify right side
68,163.41x = 6,957,275,389.62 - Step 5: Solve for x
x = 6,957,275,389.62/68,163.41 - Step 6: Final answer
x = 102,067.60
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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.