Finding the Fourth Proportional to 80,238.87, 110,733.44 and 48,407.09
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Solution
The fourth proportional to 80,238.87, 110,733.44 and 48,407.09 is: 66,804.07
Step by Step Solution
- Step 1: Write the proportion equation
80,238.87 : 110,733.44 = 48,407.09 : x - Step 2: Convert to fraction form
80,238.87/110,733.44 = 48,407.09/x - Step 3: Cross multiply
80,238.87x = 110,733.44 × 48,407.09 - Step 4: Simplify right side
80,238.87x = 5,360,282,800.39 - Step 5: Solve for x
x = 5,360,282,800.39/80,238.87 - Step 6: Final answer
x = 66,804.07
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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.