Finding the Fourth Proportional to 94,960.48, 142,388.13 and 38,839.99
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Solution
The fourth proportional to 94,960.48, 142,388.13 and 38,839.99 is: 58,238.48
Step by Step Solution
- Step 1: Write the proportion equation
94,960.48 : 142,388.13 = 38,839.99 : x - Step 2: Convert to fraction form
94,960.48/142,388.13 = 38,839.99/x - Step 3: Cross multiply
94,960.48x = 142,388.13 × 38,839.99 - Step 4: Simplify right side
94,960.48x = 5,530,354,134.38 - Step 5: Solve for x
x = 5,530,354,134.38/94,960.48 - Step 6: Final answer
x = 58,238.48
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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.