Finding the Fourth Proportional to 80,665.99, 111,319.16 and 44,855.23
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Solution
The fourth proportional to 80,665.99, 111,319.16 and 44,855.23 is: 61,900.27
Step by Step Solution
- Step 1: Write the proportion equation
80,665.99 : 111,319.16 = 44,855.23 : x - Step 2: Convert to fraction form
80,665.99/111,319.16 = 44,855.23/x - Step 3: Cross multiply
80,665.99x = 111,319.16 × 44,855.23 - Step 4: Simplify right side
80,665.99x = 4,993,246,300.93 - Step 5: Solve for x
x = 4,993,246,300.93/80,665.99 - Step 6: Final answer
x = 61,900.27
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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.