Finding the Fourth Proportional to 75,959.70, 104,818.99 and 41,967.82
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Solution
The fourth proportional to 75,959.70, 104,818.99 and 41,967.82 is: 57,912.61
Step by Step Solution
- Step 1: Write the proportion equation
75,959.70 : 104,818.99 = 41,967.82 : x - Step 2: Convert to fraction form
75,959.70/104,818.99 = 41,967.82/x - Step 3: Cross multiply
75,959.70x = 104,818.99 × 41,967.82 - Step 4: Simplify right side
75,959.70x = 4,399,024,504.90 - Step 5: Solve for x
x = 4,399,024,504.90/75,959.70 - Step 6: Final answer
x = 57,912.61
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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.