Finding the Fourth Proportional to 83,571.07, 125,238.74 and 46,147.99
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Solution
The fourth proportional to 83,571.07, 125,238.74 and 46,147.99 is: 69,156.90
Step by Step Solution
- Step 1: Write the proportion equation
83,571.07 : 125,238.74 = 46,147.99 : x - Step 2: Convert to fraction form
83,571.07/125,238.74 = 46,147.99/x - Step 3: Cross multiply
83,571.07x = 125,238.74 × 46,147.99 - Step 4: Simplify right side
83,571.07x = 5,779,515,577.30 - Step 5: Solve for x
x = 5,779,515,577.30/83,571.07 - Step 6: Final answer
x = 69,156.90
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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.