Finding the Fourth Proportional to 75,893.92, 104,739.60 and 44,072.80
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Solution
The fourth proportional to 75,893.92, 104,739.60 and 44,072.80 is: 60,823.94
Step by Step Solution
- Step 1: Write the proportion equation
75,893.92 : 104,739.60 = 44,072.80 : x - Step 2: Convert to fraction form
75,893.92/104,739.60 = 44,072.80/x - Step 3: Cross multiply
75,893.92x = 104,739.60 × 44,072.80 - Step 4: Simplify right side
75,893.92x = 4,616,167,442.88 - Step 5: Solve for x
x = 4,616,167,442.88/75,893.92 - Step 6: Final answer
x = 60,823.94
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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.