Finding the Fourth Proportional to 75,716.58, 113,493.33 and 36,189.66
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Solution
The fourth proportional to 75,716.58, 113,493.33 and 36,189.66 is: 54,245.52
Step by Step Solution
- Step 1: Write the proportion equation
75,716.58 : 113,493.33 = 36,189.66 : x - Step 2: Convert to fraction form
75,716.58/113,493.33 = 36,189.66/x - Step 3: Cross multiply
75,716.58x = 113,493.33 × 36,189.66 - Step 4: Simplify right side
75,716.58x = 4,107,285,024.97 - Step 5: Solve for x
x = 4,107,285,024.97/75,716.58 - Step 6: Final answer
x = 54,245.52
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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.