Finding the Fourth Proportional to 75,114.88, 103,660.17 and 41,124.80
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Solution
The fourth proportional to 75,114.88, 103,660.17 and 41,124.80 is: 56,753.12
Step by Step Solution
- Step 1: Write the proportion equation
75,114.88 : 103,660.17 = 41,124.80 : x - Step 2: Convert to fraction form
75,114.88/103,660.17 = 41,124.80/x - Step 3: Cross multiply
75,114.88x = 103,660.17 × 41,124.80 - Step 4: Simplify right side
75,114.88x = 4,263,003,759.22 - Step 5: Solve for x
x = 4,263,003,759.22/75,114.88 - Step 6: Final answer
x = 56,753.12
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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.