Finding the Fourth Proportional to 74,786.13, 103,197.66 and 41,249.97
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Solution
The fourth proportional to 74,786.13, 103,197.66 and 41,249.97 is: 56,920.99
Step by Step Solution
- Step 1: Write the proportion equation
74,786.13 : 103,197.66 = 41,249.97 : x - Step 2: Convert to fraction form
74,786.13/103,197.66 = 41,249.97/x - Step 3: Cross multiply
74,786.13x = 103,197.66 × 41,249.97 - Step 4: Simplify right side
74,786.13x = 4,256,900,379.07 - Step 5: Solve for x
x = 4,256,900,379.07/74,786.13 - Step 6: Final answer
x = 56,920.99
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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.