Finding the Fourth Proportional to 73,418.15, 101,333.18 and 48,269.99
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Solution
The fourth proportional to 73,418.15, 101,333.18 and 48,269.99 is: 66,623.19
Step by Step Solution
- Step 1: Write the proportion equation
73,418.15 : 101,333.18 = 48,269.99 : x - Step 2: Convert to fraction form
73,418.15/101,333.18 = 48,269.99/x - Step 3: Cross multiply
73,418.15x = 101,333.18 × 48,269.99 - Step 4: Simplify right side
73,418.15x = 4,891,351,343.92 - Step 5: Solve for x
x = 4,891,351,343.92/73,418.15 - Step 6: Final answer
x = 66,623.19
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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.