Finding the Fourth Proportional to 69,858.99, 104,755.67 and 32,395.68
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Solution
The fourth proportional to 69,858.99, 104,755.67 and 32,395.68 is: 48,578.30
Step by Step Solution
- Step 1: Write the proportion equation
69,858.99 : 104,755.67 = 32,395.68 : x - Step 2: Convert to fraction form
69,858.99/104,755.67 = 32,395.68/x - Step 3: Cross multiply
69,858.99x = 104,755.67 × 32,395.68 - Step 4: Simplify right side
69,858.99x = 3,393,631,001.53 - Step 5: Solve for x
x = 3,393,631,001.53/69,858.99 - Step 6: Final answer
x = 48,578.30
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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.