Finding the Fourth Proportional to 79,939.51, 110,316.79 and 44,129.44
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Solution
The fourth proportional to 79,939.51, 110,316.79 and 44,129.44 is: 60,898.77
Step by Step Solution
- Step 1: Write the proportion equation
79,939.51 : 110,316.79 = 44,129.44 : x - Step 2: Convert to fraction form
79,939.51/110,316.79 = 44,129.44/x - Step 3: Cross multiply
79,939.51x = 110,316.79 × 44,129.44 - Step 4: Simplify right side
79,939.51x = 4,868,218,165.30 - Step 5: Solve for x
x = 4,868,218,165.30/79,939.51 - Step 6: Final answer
x = 60,898.77
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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.