Finding the Fourth Proportional to 71,690.98, 107,326.17 and 50,269.41
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Solution
The fourth proportional to 71,690.98, 107,326.17 and 50,269.41 is: 75,256.65
Step by Step Solution
- Step 1: Write the proportion equation
71,690.98 : 107,326.17 = 50,269.41 : x - Step 2: Convert to fraction form
71,690.98/107,326.17 = 50,269.41/x - Step 3: Cross multiply
71,690.98x = 107,326.17 × 50,269.41 - Step 4: Simplify right side
71,690.98x = 5,395,223,243.46 - Step 5: Solve for x
x = 5,395,223,243.46/71,690.98 - Step 6: Final answer
x = 75,256.65
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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.