Finding the Fourth Proportional to 68,374.10, 102,516.60 and 61,375.70
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Solution
The fourth proportional to 68,374.10, 102,516.60 and 61,375.70 is: 92,023.56
Step by Step Solution
- Step 1: Write the proportion equation
68,374.10 : 102,516.60 = 61,375.70 : x - Step 2: Convert to fraction form
68,374.10/102,516.60 = 61,375.70/x - Step 3: Cross multiply
68,374.10x = 102,516.60 × 61,375.70 - Step 4: Simplify right side
68,374.10x = 6,292,028,086.62 - Step 5: Solve for x
x = 6,292,028,086.62/68,374.10 - Step 6: Final answer
x = 92,023.56
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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.