Finding the Fourth Proportional to 75,949.74, 113,921.73 and 23,357.79
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Solution
The fourth proportional to 75,949.74, 113,921.73 and 23,357.79 is: 35,035.80
Step by Step Solution
- Step 1: Write the proportion equation
75,949.74 : 113,921.73 = 23,357.79 : x - Step 2: Convert to fraction form
75,949.74/113,921.73 = 23,357.79/x - Step 3: Cross multiply
75,949.74x = 113,921.73 × 23,357.79 - Step 4: Simplify right side
75,949.74x = 2,660,959,845.78 - Step 5: Solve for x
x = 2,660,959,845.78/75,949.74 - Step 6: Final answer
x = 35,035.80
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1.5x scale
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.