Finding the Fourth Proportional to 91,367.90, 137,035.08 and 41,435.99
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Solution
The fourth proportional to 91,367.90, 137,035.08 and 41,435.99 is: 62,146.38
Step by Step Solution
- Step 1: Write the proportion equation
91,367.90 : 137,035.08 = 41,435.99 : x - Step 2: Convert to fraction form
91,367.90/137,035.08 = 41,435.99/x - Step 3: Cross multiply
91,367.90x = 137,035.08 × 41,435.99 - Step 4: Simplify right side
91,367.90x = 5,678,184,204.53 - Step 5: Solve for x
x = 5,678,184,204.53/91,367.90 - Step 6: Final answer
x = 62,146.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.