Finding the Fourth Proportional to 80,759.24, 121,152.70 and 27,445.58
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Solution
The fourth proportional to 80,759.24, 121,152.70 and 27,445.58 is: 41,173.07
Step by Step Solution
- Step 1: Write the proportion equation
80,759.24 : 121,152.70 = 27,445.58 : x - Step 2: Convert to fraction form
80,759.24/121,152.70 = 27,445.58/x - Step 3: Cross multiply
80,759.24x = 121,152.70 × 27,445.58 - Step 4: Simplify right side
80,759.24x = 3,325,106,120.07 - Step 5: Solve for x
x = 3,325,106,120.07/80,759.24 - Step 6: Final answer
x = 41,173.07
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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.