Finding the Fourth Proportional to 75,207.42, 103,786.20 and 44,993.97
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Solution
The fourth proportional to 75,207.42, 103,786.20 and 44,993.97 is: 62,091.65
Step by Step Solution
- Step 1: Write the proportion equation
75,207.42 : 103,786.20 = 44,993.97 : x - Step 2: Convert to fraction form
75,207.42/103,786.20 = 44,993.97/x - Step 3: Cross multiply
75,207.42x = 103,786.20 × 44,993.97 - Step 4: Simplify right side
75,207.42x = 4,669,753,169.21 - Step 5: Solve for x
x = 4,669,753,169.21/75,207.42 - Step 6: Final answer
x = 62,091.65
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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.