Finding the Fourth Proportional to 83,174.88, 124,762.86 and 33,259.18
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Solution
The fourth proportional to 83,174.88, 124,762.86 and 33,259.18 is: 49,888.99
Step by Step Solution
- Step 1: Write the proportion equation
83,174.88 : 124,762.86 = 33,259.18 : x - Step 2: Convert to fraction form
83,174.88/124,762.86 = 33,259.18/x - Step 3: Cross multiply
83,174.88x = 124,762.86 × 33,259.18 - Step 4: Simplify right side
83,174.88x = 4,149,510,418.05 - Step 5: Solve for x
x = 4,149,510,418.05/83,174.88 - Step 6: Final answer
x = 49,888.99
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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.