Finding the Fourth Proportional to 91,180.59, 125,850.21 and 53,466.99
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Solution
The fourth proportional to 91,180.59, 125,850.21 and 53,466.99 is: 73,796.75
Step by Step Solution
- Step 1: Write the proportion equation
91,180.59 : 125,850.21 = 53,466.99 : x - Step 2: Convert to fraction form
91,180.59/125,850.21 = 53,466.99/x - Step 3: Cross multiply
91,180.59x = 125,850.21 × 53,466.99 - Step 4: Simplify right side
91,180.59x = 6,728,831,022.98 - Step 5: Solve for x
x = 6,728,831,022.98/91,180.59 - Step 6: Final answer
x = 73,796.75
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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.