Finding the Fourth Proportional to 75,755.21, 113,632.82 and 29,008.08
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Solution
The fourth proportional to 75,755.21, 113,632.82 and 29,008.08 is: 43,512.12
Step by Step Solution
- Step 1: Write the proportion equation
75,755.21 : 113,632.82 = 29,008.08 : x - Step 2: Convert to fraction form
75,755.21/113,632.82 = 29,008.08/x - Step 3: Cross multiply
75,755.21x = 113,632.82 × 29,008.08 - Step 4: Simplify right side
75,755.21x = 3,296,269,788.15 - Step 5: Solve for x
x = 3,296,269,788.15/75,755.21 - Step 6: Final answer
x = 43,512.12
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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.