Finding the Fourth Proportional to 68,516.58, 102,712.56 and 26,369.76
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Solution
The fourth proportional to 68,516.58, 102,712.56 and 26,369.76 is: 39,530.66
Step by Step Solution
- Step 1: Write the proportion equation
68,516.58 : 102,712.56 = 26,369.76 : x - Step 2: Convert to fraction form
68,516.58/102,712.56 = 26,369.76/x - Step 3: Cross multiply
68,516.58x = 102,712.56 × 26,369.76 - Step 4: Simplify right side
68,516.58x = 2,708,505,556.19 - Step 5: Solve for x
x = 2,708,505,556.19/68,516.58 - Step 6: Final answer
x = 39,530.66
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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.