Finding the Fourth Proportional to 68,446.71, 102,678.26 and 26,316.99
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Solution
The fourth proportional to 68,446.71, 102,678.26 and 26,316.99 is: 39,478.63
Step by Step Solution
- Step 1: Write the proportion equation
68,446.71 : 102,678.26 = 26,316.99 : x - Step 2: Convert to fraction form
68,446.71/102,678.26 = 26,316.99/x - Step 3: Cross multiply
68,446.71x = 102,678.26 × 26,316.99 - Step 4: Simplify right side
68,446.71x = 2,702,182,610.05 - Step 5: Solve for x
x = 2,702,182,610.05/68,446.71 - Step 6: Final answer
x = 39,478.63
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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.