Finding the Fourth Proportional to 73,703.36, 101,711.12 and 40,169.44
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Solution
The fourth proportional to 73,703.36, 101,711.12 and 40,169.44 is: 55,434.09
Step by Step Solution
- Step 1: Write the proportion equation
73,703.36 : 101,711.12 = 40,169.44 : x - Step 2: Convert to fraction form
73,703.36/101,711.12 = 40,169.44/x - Step 3: Cross multiply
73,703.36x = 101,711.12 × 40,169.44 - Step 4: Simplify right side
73,703.36x = 4,085,678,732.17 - Step 5: Solve for x
x = 4,085,678,732.17/73,703.36 - Step 6: Final answer
x = 55,434.09
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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.