Finding the Fourth Proportional to 82,963.91, 124,435.27 and 26,798.18
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Solution
The fourth proportional to 82,963.91, 124,435.27 and 26,798.18 is: 40,193.85
Step by Step Solution
- Step 1: Write the proportion equation
82,963.91 : 124,435.27 = 26,798.18 : x - Step 2: Convert to fraction form
82,963.91/124,435.27 = 26,798.18/x - Step 3: Cross multiply
82,963.91x = 124,435.27 × 26,798.18 - Step 4: Simplify right side
82,963.91x = 3,334,638,763.81 - Step 5: Solve for x
x = 3,334,638,763.81/82,963.91 - Step 6: Final answer
x = 40,193.85
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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.