Finding the Fourth Proportional to 89,205.71, 133,546.11 and 59,549.99
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Solution
The fourth proportional to 89,205.71, 133,546.11 and 59,549.99 is: 89,149.78
Step by Step Solution
- Step 1: Write the proportion equation
89,205.71 : 133,546.11 = 59,549.99 : x - Step 2: Convert to fraction form
89,205.71/133,546.11 = 59,549.99/x - Step 3: Cross multiply
89,205.71x = 133,546.11 × 59,549.99 - Step 4: Simplify right side
89,205.71x = 7,952,669,515.04 - Step 5: Solve for x
x = 7,952,669,515.04/89,205.71 - Step 6: Final answer
x = 89,149.78
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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.