Finding the Fourth Proportional to 79,939.41, 110,317.28 and 44,129.44
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Solution
The fourth proportional to 79,939.41, 110,317.28 and 44,129.44 is: 60,899.12
Step by Step Solution
- Step 1: Write the proportion equation
79,939.41 : 110,317.28 = 44,129.44 : x - Step 2: Convert to fraction form
79,939.41/110,317.28 = 44,129.44/x - Step 3: Cross multiply
79,939.41x = 110,317.28 × 44,129.44 - Step 4: Simplify right side
79,939.41x = 4,868,239,705.97 - Step 5: Solve for x
x = 4,868,239,705.97/79,939.41 - Step 6: Final answer
x = 60,899.12
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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.