Finding the Fourth Proportional to 89,472.90, 134,110.94 and 36,853.68
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Solution
The fourth proportional to 89,472.90, 134,110.94 and 36,853.68 is: 55,239.99
Step by Step Solution
- Step 1: Write the proportion equation
89,472.90 : 134,110.94 = 36,853.68 : x - Step 2: Convert to fraction form
89,472.90/134,110.94 = 36,853.68/x - Step 3: Cross multiply
89,472.90x = 134,110.94 × 36,853.68 - Step 4: Simplify right side
89,472.90x = 4,942,481,910.40 - Step 5: Solve for x
x = 4,942,481,910.40/89,472.90 - Step 6: Final answer
x = 55,239.99
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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.