Finding the Fourth Proportional to 104,694.26, 144,466.84 and 61,670.38
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Solution
The fourth proportional to 104,694.26, 144,466.84 and 61,670.38 is: 85,098.50
Step by Step Solution
- Step 1: Write the proportion equation
104,694.26 : 144,466.84 = 61,670.38 : x - Step 2: Convert to fraction form
104,694.26/144,466.84 = 61,670.38/x - Step 3: Cross multiply
104,694.26x = 144,466.84 × 61,670.38 - Step 4: Simplify right side
104,694.26x = 8,909,324,920.20 - Step 5: Solve for x
x = 8,909,324,920.20/104,694.26 - Step 6: Final answer
x = 85,098.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.