Finding the Fourth Proportional to 104,079.44, 143,633.10 and 63,785.41
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Solution
The fourth proportional to 104,079.44, 143,633.10 and 63,785.41 is: 88,025.99
Step by Step Solution
- Step 1: Write the proportion equation
104,079.44 : 143,633.10 = 63,785.41 : x - Step 2: Convert to fraction form
104,079.44/143,633.10 = 63,785.41/x - Step 3: Cross multiply
104,079.44x = 143,633.10 × 63,785.41 - Step 4: Simplify right side
104,079.44x = 9,161,696,173.07 - Step 5: Solve for x
x = 9,161,696,173.07/104,079.44 - Step 6: Final answer
x = 88,025.99
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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.