Finding the Fourth Proportional to 107,694.99, 161,542.52 and 48,461.46
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Solution
The fourth proportional to 107,694.99, 161,542.52 and 48,461.46 is: 72,692.20
Step by Step Solution
- Step 1: Write the proportion equation
107,694.99 : 161,542.52 = 48,461.46 : x - Step 2: Convert to fraction form
107,694.99/161,542.52 = 48,461.46/x - Step 3: Cross multiply
107,694.99x = 161,542.52 × 48,461.46 - Step 4: Simplify right side
107,694.99x = 7,828,586,128.97 - Step 5: Solve for x
x = 7,828,586,128.97/107,694.99 - Step 6: Final answer
x = 72,692.20
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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.