Finding the Fourth Proportional to 91,596.05, 137,387.49 and 28,414.53
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Solution
The fourth proportional to 91,596.05, 137,387.49 and 28,414.53 is: 42,619.75
Step by Step Solution
- Step 1: Write the proportion equation
91,596.05 : 137,387.49 = 28,414.53 : x - Step 2: Convert to fraction form
91,596.05/137,387.49 = 28,414.53/x - Step 3: Cross multiply
91,596.05x = 137,387.49 × 28,414.53 - Step 4: Simplify right side
91,596.05x = 3,903,800,956.23 - Step 5: Solve for x
x = 3,903,800,956.23/91,596.05 - Step 6: Final answer
x = 42,619.75
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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.