Finding the Fourth Proportional to 94,979.43, 142,375.19 and 44,971.65
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Solution
The fourth proportional to 94,979.43, 142,375.19 and 44,971.65 is: 67,412.99
Step by Step Solution
- Step 1: Write the proportion equation
94,979.43 : 142,375.19 = 44,971.65 : x - Step 2: Convert to fraction form
94,979.43/142,375.19 = 44,971.65/x - Step 3: Cross multiply
94,979.43x = 142,375.19 × 44,971.65 - Step 4: Simplify right side
94,979.43x = 6,402,846,988.51 - Step 5: Solve for x
x = 6,402,846,988.51/94,979.43 - Step 6: Final answer
x = 67,412.99
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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.