Finding the Fourth Proportional to 94,523.36, 130,441.19 and 53,687.21
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Solution
The fourth proportional to 94,523.36, 130,441.19 and 53,687.21 is: 74,087.75
Step by Step Solution
- Step 1: Write the proportion equation
94,523.36 : 130,441.19 = 53,687.21 : x - Step 2: Convert to fraction form
94,523.36/130,441.19 = 53,687.21/x - Step 3: Cross multiply
94,523.36x = 130,441.19 × 53,687.21 - Step 4: Simplify right side
94,523.36x = 7,003,022,639.54 - Step 5: Solve for x
x = 7,003,022,639.54/94,523.36 - Step 6: Final answer
x = 74,087.75
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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.