Finding the Fourth Proportional to 75,812.50, 104,619.09 and 41,821.12
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Solution
The fourth proportional to 75,812.50, 104,619.09 and 41,821.12 is: 57,711.95
Step by Step Solution
- Step 1: Write the proportion equation
75,812.50 : 104,619.09 = 41,821.12 : x - Step 2: Convert to fraction form
75,812.50/104,619.09 = 41,821.12/x - Step 3: Cross multiply
75,812.50x = 104,619.09 × 41,821.12 - Step 4: Simplify right side
75,812.50x = 4,375,287,517.18 - Step 5: Solve for x
x = 4,375,287,517.18/75,812.50 - Step 6: Final answer
x = 57,711.95
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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.