Finding the Fourth Proportional to 84,377.36, 126,467.64 and 46,919.48
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Solution
The fourth proportional to 84,377.36, 126,467.64 and 46,919.48 is: 70,324.50
Step by Step Solution
- Step 1: Write the proportion equation
84,377.36 : 126,467.64 = 46,919.48 : x - Step 2: Convert to fraction form
84,377.36/126,467.64 = 46,919.48/x - Step 3: Cross multiply
84,377.36x = 126,467.64 × 46,919.48 - Step 4: Simplify right side
84,377.36x = 5,933,795,905.63 - Step 5: Solve for x
x = 5,933,795,905.63/84,377.36 - Step 6: Final answer
x = 70,324.50
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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.