Finding the Fourth Proportional to 88,751.75, 122,478.41 and 48,465.99
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Solution
The fourth proportional to 88,751.75, 122,478.41 and 48,465.99 is: 66,883.61
Step by Step Solution
- Step 1: Write the proportion equation
88,751.75 : 122,478.41 = 48,465.99 : x - Step 2: Convert to fraction form
88,751.75/122,478.41 = 48,465.99/x - Step 3: Cross multiply
88,751.75x = 122,478.41 × 48,465.99 - Step 4: Simplify right side
88,751.75x = 5,936,037,515.44 - Step 5: Solve for x
x = 5,936,037,515.44/88,751.75 - Step 6: Final answer
x = 66,883.61
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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.