Finding the Fourth Proportional to 80,428.97, 110,992.11 and 44,618.98
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Solution
The fourth proportional to 80,428.97, 110,992.11 and 44,618.98 is: 61,574.26
Step by Step Solution
- Step 1: Write the proportion equation
80,428.97 : 110,992.11 = 44,618.98 : x - Step 2: Convert to fraction form
80,428.97/110,992.11 = 44,618.98/x - Step 3: Cross multiply
80,428.97x = 110,992.11 × 44,618.98 - Step 4: Simplify right side
80,428.97x = 4,952,353,958.19 - Step 5: Solve for x
x = 4,952,353,958.19/80,428.97 - Step 6: Final answer
x = 61,574.26
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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.