Finding the Fourth Proportional to 125,623.70, 173,360.70 and 69,035.07
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Solution
The fourth proportional to 125,623.70, 173,360.70 and 69,035.07 is: 95,268.40
Step by Step Solution
- Step 1: Write the proportion equation
125,623.70 : 173,360.70 = 69,035.07 : x - Step 2: Convert to fraction form
125,623.70/173,360.70 = 69,035.07/x - Step 3: Cross multiply
125,623.70x = 173,360.70 × 69,035.07 - Step 4: Simplify right side
125,623.70x = 11,967,968,059.75 - Step 5: Solve for x
x = 11,967,968,059.75/125,623.70 - Step 6: Final answer
x = 95,268.40
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1.5x scale
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.