Finding the Fourth Proportional to 91,366.90, 137,033.58 and 41,434.99
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Solution
The fourth proportional to 91,366.90, 137,033.58 and 41,434.99 is: 62,144.88
Step by Step Solution
- Step 1: Write the proportion equation
91,366.90 : 137,033.58 = 41,434.99 : x - Step 2: Convert to fraction form
91,366.90/137,033.58 = 41,434.99/x - Step 3: Cross multiply
91,366.90x = 137,033.58 × 41,434.99 - Step 4: Simplify right side
91,366.90x = 5,677,985,016.96 - Step 5: Solve for x
x = 5,677,985,016.96/91,366.90 - Step 6: Final answer
x = 62,144.88
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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.