Finding the Fourth Proportional to 76,190.94, 105,149.88 and 44,361.99
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Solution
The fourth proportional to 76,190.94, 105,149.88 and 44,361.99 is: 61,223.26
Step by Step Solution
- Step 1: Write the proportion equation
76,190.94 : 105,149.88 = 44,361.99 : x - Step 2: Convert to fraction form
76,190.94/105,149.88 = 44,361.99/x - Step 3: Cross multiply
76,190.94x = 105,149.88 × 44,361.99 - Step 4: Simplify right side
76,190.94x = 4,664,657,925.06 - Step 5: Solve for x
x = 4,664,657,925.06/76,190.94 - Step 6: Final answer
x = 61,223.26
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1.5x scale
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.