Finding the Fourth Proportional to 70,846.09, 106,268.97 and 48,591.99
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Solution
The fourth proportional to 70,846.09, 106,268.97 and 48,591.99 is: 72,887.87
Step by Step Solution
- Step 1: Write the proportion equation
70,846.09 : 106,268.97 = 48,591.99 : x - Step 2: Convert to fraction form
70,846.09/106,268.97 = 48,591.99/x - Step 3: Cross multiply
70,846.09x = 106,268.97 × 48,591.99 - Step 4: Simplify right side
70,846.09x = 5,163,820,727.55 - Step 5: Solve for x
x = 5,163,820,727.55/70,846.09 - Step 6: Final answer
x = 72,887.87
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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.