Finding the Fourth Proportional to 75,534.26, 113,307.86 and 36,122.90
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Solution
The fourth proportional to 75,534.26, 113,307.86 and 36,122.90 is: 54,187.44
Step by Step Solution
- Step 1: Write the proportion equation
75,534.26 : 113,307.86 = 36,122.90 : x - Step 2: Convert to fraction form
75,534.26/113,307.86 = 36,122.90/x - Step 3: Cross multiply
75,534.26x = 113,307.86 × 36,122.90 - Step 4: Simplify right side
75,534.26x = 4,093,008,019.76 - Step 5: Solve for x
x = 4,093,008,019.76/75,534.26 - Step 6: Final answer
x = 54,187.44
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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.