Finding the Fourth Proportional to 80,328.78, 110,853.99 and 48,497.94
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Solution
The fourth proportional to 80,328.78, 110,853.99 and 48,497.94 is: 66,927.32
Step by Step Solution
- Step 1: Write the proportion equation
80,328.78 : 110,853.99 = 48,497.94 : x - Step 2: Convert to fraction form
80,328.78/110,853.99 = 48,497.94/x - Step 3: Cross multiply
80,328.78x = 110,853.99 × 48,497.94 - Step 4: Simplify right side
80,328.78x = 5,376,190,155.78 - Step 5: Solve for x
x = 5,376,190,155.78/80,328.78 - Step 6: Final answer
x = 66,927.32
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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.