Finding the Fourth Proportional to 76,883.31, 115,193.75 and 41,760.09
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Solution
The fourth proportional to 76,883.31, 115,193.75 and 41,760.09 is: 62,568.86
Step by Step Solution
- Step 1: Write the proportion equation
76,883.31 : 115,193.75 = 41,760.09 : x - Step 2: Convert to fraction form
76,883.31/115,193.75 = 41,760.09/x - Step 3: Cross multiply
76,883.31x = 115,193.75 × 41,760.09 - Step 4: Simplify right side
76,883.31x = 4,810,501,158.64 - Step 5: Solve for x
x = 4,810,501,158.64/76,883.31 - Step 6: Final answer
x = 62,568.86
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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.