Finding the Fourth Proportional to 75,161.51, 103,721.64 and 41,169.68
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Solution
The fourth proportional to 75,161.51, 103,721.64 and 41,169.68 is: 56,813.48
Step by Step Solution
- Step 1: Write the proportion equation
75,161.51 : 103,721.64 = 41,169.68 : x - Step 2: Convert to fraction form
75,161.51/103,721.64 = 41,169.68/x - Step 3: Cross multiply
75,161.51x = 103,721.64 × 41,169.68 - Step 4: Simplify right side
75,161.51x = 4,270,186,727.88 - Step 5: Solve for x
x = 4,270,186,727.88/75,161.51 - Step 6: Final answer
x = 56,813.48
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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.