Finding the Fourth Proportional to 75,253.02, 112,881.92 and 27,879.97
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Solution
The fourth proportional to 75,253.02, 112,881.92 and 27,879.97 is: 41,820.84
Step by Step Solution
- Step 1: Write the proportion equation
75,253.02 : 112,881.92 = 27,879.97 : x - Step 2: Convert to fraction form
75,253.02/112,881.92 = 27,879.97/x - Step 3: Cross multiply
75,253.02x = 112,881.92 × 27,879.97 - Step 4: Simplify right side
75,253.02x = 3,147,144,543.14 - Step 5: Solve for x
x = 3,147,144,543.14/75,253.02 - Step 6: Final answer
x = 41,820.84
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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.