Finding the Fourth Proportional to 91,546.53, 126,319.60 and 51,261.99
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Solution
The fourth proportional to 91,546.53, 126,319.60 and 51,261.99 is: 70,733.36
Step by Step Solution
- Step 1: Write the proportion equation
91,546.53 : 126,319.60 = 51,261.99 : x - Step 2: Convert to fraction form
91,546.53/126,319.60 = 51,261.99/x - Step 3: Cross multiply
91,546.53x = 126,319.60 × 51,261.99 - Step 4: Simplify right side
91,546.53x = 6,475,394,072.00 - Step 5: Solve for x
x = 6,475,394,072.00/91,546.53 - Step 6: Final answer
x = 70,733.36
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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.