Finding the Fourth Proportional to 80,211.74, 110,716.86 and 46,242.92
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Solution
The fourth proportional to 80,211.74, 110,716.86 and 46,242.92 is: 63,829.45
Step by Step Solution
- Step 1: Write the proportion equation
80,211.74 : 110,716.86 = 46,242.92 : x - Step 2: Convert to fraction form
80,211.74/110,716.86 = 46,242.92/x - Step 3: Cross multiply
80,211.74x = 110,716.86 × 46,242.92 - Step 4: Simplify right side
80,211.74x = 5,119,870,899.63 - Step 5: Solve for x
x = 5,119,870,899.63/80,211.74 - Step 6: Final answer
x = 63,829.45
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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.