Finding the Fourth Proportional to 73,677.09, 101,674.39 and 40,143.09
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Solution
The fourth proportional to 73,677.09, 101,674.39 and 40,143.09 is: 55,397.47
Step by Step Solution
- Step 1: Write the proportion equation
73,677.09 : 101,674.39 = 40,143.09 : x - Step 2: Convert to fraction form
73,677.09/101,674.39 = 40,143.09/x - Step 3: Cross multiply
73,677.09x = 101,674.39 × 40,143.09 - Step 4: Simplify right side
73,677.09x = 4,081,524,544.65 - Step 5: Solve for x
x = 4,081,524,544.65/73,677.09 - Step 6: Final answer
x = 55,397.47
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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.