Finding the Fourth Proportional to 94,943.94, 131,022.42 and 54,642.99
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Solution
The fourth proportional to 94,943.94, 131,022.42 and 54,642.99 is: 75,407.20
Step by Step Solution
- Step 1: Write the proportion equation
94,943.94 : 131,022.42 = 54,642.99 : x - Step 2: Convert to fraction form
94,943.94/131,022.42 = 54,642.99/x - Step 3: Cross multiply
94,943.94x = 131,022.42 × 54,642.99 - Step 4: Simplify right side
94,943.94x = 7,159,456,785.84 - Step 5: Solve for x
x = 7,159,456,785.84/94,943.94 - Step 6: Final answer
x = 75,407.20
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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.