Finding the Fourth Proportional to 75,623.48, 113,453.90 and 31,262.91
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Solution
The fourth proportional to 75,623.48, 113,453.90 and 31,262.91 is: 46,902.09
Step by Step Solution
- Step 1: Write the proportion equation
75,623.48 : 113,453.90 = 31,262.91 : x - Step 2: Convert to fraction form
75,623.48/113,453.90 = 31,262.91/x - Step 3: Cross multiply
75,623.48x = 113,453.90 × 31,262.91 - Step 4: Simplify right side
75,623.48x = 3,546,898,908.53 - Step 5: Solve for x
x = 3,546,898,908.53/75,623.48 - Step 6: Final answer
x = 46,902.09
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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.