Finding the Fourth Proportional to 91,268.96, 125,951.36 and 51,524.96
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Solution
The fourth proportional to 91,268.96, 125,951.36 and 51,524.96 is: 71,104.55
Step by Step Solution
- Step 1: Write the proportion equation
91,268.96 : 125,951.36 = 51,524.96 : x - Step 2: Convert to fraction form
91,268.96/125,951.36 = 51,524.96/x - Step 3: Cross multiply
91,268.96x = 125,951.36 × 51,524.96 - Step 4: Simplify right side
91,268.96x = 6,489,638,785.95 - Step 5: Solve for x
x = 6,489,638,785.95/91,268.96 - Step 6: Final answer
x = 71,104.55
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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.