Finding the Fourth Proportional to 75,753.64, 104,540.76 and 41,763.49
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Solution
The fourth proportional to 75,753.64, 104,540.76 and 41,763.49 is: 57,634.02
Step by Step Solution
- Step 1: Write the proportion equation
75,753.64 : 104,540.76 = 41,763.49 : x - Step 2: Convert to fraction form
75,753.64/104,540.76 = 41,763.49/x - Step 3: Cross multiply
75,753.64x = 104,540.76 × 41,763.49 - Step 4: Simplify right side
75,753.64x = 4,365,986,723.50 - Step 5: Solve for x
x = 4,365,986,723.50/75,753.64 - Step 6: Final answer
x = 57,634.02
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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.