Finding the Fourth Proportional to 125,772.78, 173,566.08 and 69,183.75
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Solution
The fourth proportional to 125,772.78, 173,566.08 and 69,183.75 is: 95,473.38
Step by Step Solution
- Step 1: Write the proportion equation
125,772.78 : 173,566.08 = 69,183.75 : x - Step 2: Convert to fraction form
125,772.78/173,566.08 = 69,183.75/x - Step 3: Cross multiply
125,772.78x = 173,566.08 × 69,183.75 - Step 4: Simplify right side
125,772.78x = 12,007,952,287.20 - Step 5: Solve for x
x = 12,007,952,287.20/125,772.78 - Step 6: Final answer
x = 95,473.38
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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.