Finding the Fourth Proportional to 92,755.53, 139,138.68 and 26,190.09
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Solution
The fourth proportional to 92,755.53, 139,138.68 and 26,190.09 is: 39,286.66
Step by Step Solution
- Step 1: Write the proportion equation
92,755.53 : 139,138.68 = 26,190.09 : x - Step 2: Convert to fraction form
92,755.53/139,138.68 = 26,190.09/x - Step 3: Cross multiply
92,755.53x = 139,138.68 × 26,190.09 - Step 4: Simplify right side
92,755.53x = 3,644,054,551.68 - Step 5: Solve for x
x = 3,644,054,551.68/92,755.53 - Step 6: Final answer
x = 39,286.66
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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.