Finding the Fourth Proportional to 68,133.52, 94,034.19 and 40,911.44
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Solution
The fourth proportional to 68,133.52, 94,034.19 and 40,911.44 is: 56,463.75
Step by Step Solution
- Step 1: Write the proportion equation
68,133.52 : 94,034.19 = 40,911.44 : x - Step 2: Convert to fraction form
68,133.52/94,034.19 = 40,911.44/x - Step 3: Cross multiply
68,133.52x = 94,034.19 × 40,911.44 - Step 4: Simplify right side
68,133.52x = 3,847,074,122.13 - Step 5: Solve for x
x = 3,847,074,122.13/68,133.52 - Step 6: Final answer
x = 56,463.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.