Finding the Fourth Proportional to 104,948.68, 144,833.94 and 61,930.44
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Solution
The fourth proportional to 104,948.68, 144,833.94 and 61,930.44 is: 85,466.82
Step by Step Solution
- Step 1: Write the proportion equation
104,948.68 : 144,833.94 = 61,930.44 : x - Step 2: Convert to fraction form
104,948.68/144,833.94 = 61,930.44/x - Step 3: Cross multiply
104,948.68x = 144,833.94 × 61,930.44 - Step 4: Simplify right side
104,948.68x = 8,969,629,631.13 - Step 5: Solve for x
x = 8,969,629,631.13/104,948.68 - Step 6: Final answer
x = 85,466.82
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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.