Finding the Fourth Proportional to 75,657.75, 104,407.68 and 41,665.94
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Solution
The fourth proportional to 75,657.75, 104,407.68 and 41,665.94 is: 57,498.99
Step by Step Solution
- Step 1: Write the proportion equation
75,657.75 : 104,407.68 = 41,665.94 : x - Step 2: Convert to fraction form
75,657.75/104,407.68 = 41,665.94/x - Step 3: Cross multiply
75,657.75x = 104,407.68 × 41,665.94 - Step 4: Simplify right side
75,657.75x = 4,350,244,082.75 - Step 5: Solve for x
x = 4,350,244,082.75/75,657.75 - Step 6: Final answer
x = 57,498.99
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1.5x scale
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.