Finding the Fourth Proportional to 75,149.49, 103,706.13 and 41,157.99
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Solution
The fourth proportional to 75,149.49, 103,706.13 and 41,157.99 is: 56,797.94
Step by Step Solution
- Step 1: Write the proportion equation
75,149.49 : 103,706.13 = 41,157.99 : x - Step 2: Convert to fraction form
75,149.49/103,706.13 = 41,157.99/x - Step 3: Cross multiply
75,149.49x = 103,706.13 × 41,157.99 - Step 4: Simplify right side
75,149.49x = 4,268,335,861.48 - Step 5: Solve for x
x = 4,268,335,861.48/75,149.49 - Step 6: Final answer
x = 56,797.94
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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.