Finding the Fourth Proportional to 125,917.62, 173,766.51 and 69,329.13
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Solution
The fourth proportional to 125,917.62, 173,766.51 and 69,329.13 is: 95,674.31
Step by Step Solution
- Step 1: Write the proportion equation
125,917.62 : 173,766.51 = 69,329.13 : x - Step 2: Convert to fraction form
125,917.62/173,766.51 = 69,329.13/x - Step 3: Cross multiply
125,917.62x = 173,766.51 × 69,329.13 - Step 4: Simplify right side
125,917.62x = 12,047,080,961.44 - Step 5: Solve for x
x = 12,047,080,961.44/125,917.62 - Step 6: Final answer
x = 95,674.31
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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.