Finding the Fourth Proportional to 89,472.84, 134,110.84 and 36,853.62
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Solution
The fourth proportional to 89,472.84, 134,110.84 and 36,853.62 is: 55,239.89
Step by Step Solution
- Step 1: Write the proportion equation
89,472.84 : 134,110.84 = 36,853.62 : x - Step 2: Convert to fraction form
89,472.84/134,110.84 = 36,853.62/x - Step 3: Cross multiply
89,472.84x = 134,110.84 × 36,853.62 - Step 4: Simplify right side
89,472.84x = 4,942,469,935.24 - Step 5: Solve for x
x = 4,942,469,935.24/89,472.84 - Step 6: Final answer
x = 55,239.89
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1.5x scale
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.