Finding the Fourth Proportional to 107,753.40, 161,685.48 and 47,822.94
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Solution
The fourth proportional to 107,753.40, 161,685.48 and 47,822.94 is: 71,758.99
Step by Step Solution
- Step 1: Write the proportion equation
107,753.40 : 161,685.48 = 47,822.94 : x - Step 2: Convert to fraction form
107,753.40/161,685.48 = 47,822.94/x - Step 3: Cross multiply
107,753.40x = 161,685.48 × 47,822.94 - Step 4: Simplify right side
107,753.40x = 7,732,275,008.91 - Step 5: Solve for x
x = 7,732,275,008.91/107,753.40 - Step 6: Final answer
x = 71,758.99
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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.