Finding the Fourth Proportional to 75,531.30, 104,230.99 and 41,539.75
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Solution
The fourth proportional to 75,531.30, 104,230.99 and 41,539.75 is: 57,323.64
Step by Step Solution
- Step 1: Write the proportion equation
75,531.30 : 104,230.99 = 41,539.75 : x - Step 2: Convert to fraction form
75,531.30/104,230.99 = 41,539.75/x - Step 3: Cross multiply
75,531.30x = 104,230.99 × 41,539.75 - Step 4: Simplify right side
75,531.30x = 4,329,728,824.54 - Step 5: Solve for x
x = 4,329,728,824.54/75,531.30 - Step 6: Final answer
x = 57,323.64
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.