Finding the Fourth Proportional to 68,336.63, 102,537.75 and 37,171.88
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Solution
The fourth proportional to 68,336.63, 102,537.75 and 37,171.88 is: 55,775.66
Step by Step Solution
- Step 1: Write the proportion equation
68,336.63 : 102,537.75 = 37,171.88 : x - Step 2: Convert to fraction form
68,336.63/102,537.75 = 37,171.88/x - Step 3: Cross multiply
68,336.63x = 102,537.75 × 37,171.88 - Step 4: Simplify right side
68,336.63x = 3,811,520,425.78 - Step 5: Solve for x
x = 3,811,520,425.78/68,336.63 - Step 6: Final answer
x = 55,775.66
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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.