Finding the Fourth Proportional to 80,419.65, 110,976.97 and 46,426.98
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Solution
The fourth proportional to 80,419.65, 110,976.97 and 46,426.98 is: 64,067.99
Step by Step Solution
- Step 1: Write the proportion equation
80,419.65 : 110,976.97 = 46,426.98 : x - Step 2: Convert to fraction form
80,419.65/110,976.97 = 46,426.98/x - Step 3: Cross multiply
80,419.65x = 110,976.97 × 46,426.98 - Step 4: Simplify right side
80,419.65x = 5,152,325,566.65 - Step 5: Solve for x
x = 5,152,325,566.65/80,419.65 - Step 6: Final answer
x = 64,067.99
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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.