Finding the Fourth Proportional to 75,760.88, 113,641.88 and 33,629.63
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Solution
The fourth proportional to 75,760.88, 113,641.88 and 33,629.63 is: 50,444.69
Step by Step Solution
- Step 1: Write the proportion equation
75,760.88 : 113,641.88 = 33,629.63 : x - Step 2: Convert to fraction form
75,760.88/113,641.88 = 33,629.63/x - Step 3: Cross multiply
75,760.88x = 113,641.88 × 33,629.63 - Step 4: Simplify right side
75,760.88x = 3,821,734,376.90 - Step 5: Solve for x
x = 3,821,734,376.90/75,760.88 - Step 6: Final answer
x = 50,444.69
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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.