Finding the Fourth Proportional to 80,131.75, 110,574.38 and 44,320.99
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Solution
The fourth proportional to 80,131.75, 110,574.38 and 44,320.99 is: 61,158.86
Step by Step Solution
- Step 1: Write the proportion equation
80,131.75 : 110,574.38 = 44,320.99 : x - Step 2: Convert to fraction form
80,131.75/110,574.38 = 44,320.99/x - Step 3: Cross multiply
80,131.75x = 110,574.38 × 44,320.99 - Step 4: Simplify right side
80,131.75x = 4,900,766,101.04 - Step 5: Solve for x
x = 4,900,766,101.04/80,131.75 - Step 6: Final answer
x = 61,158.86
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1.5x scale
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.