Finding the Fourth Proportional to 79,687.84, 119,550.48 and 44,651.68
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Solution
The fourth proportional to 79,687.84, 119,550.48 and 44,651.68 is: 66,988.01
Step by Step Solution
- Step 1: Write the proportion equation
79,687.84 : 119,550.48 = 44,651.68 : x - Step 2: Convert to fraction form
79,687.84/119,550.48 = 44,651.68/x - Step 3: Cross multiply
79,687.84x = 119,550.48 × 44,651.68 - Step 4: Simplify right side
79,687.84x = 5,338,129,776.81 - Step 5: Solve for x
x = 5,338,129,776.81/79,687.84 - Step 6: Final answer
x = 66,988.01
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.