Finding the Fourth Proportional to 85,263.92, 117,661.84 and 49,451.68
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Solution
The fourth proportional to 85,263.92, 117,661.84 and 49,451.68 is: 68,241.94
Step by Step Solution
- Step 1: Write the proportion equation
85,263.92 : 117,661.84 = 49,451.68 : x - Step 2: Convert to fraction form
85,263.92/117,661.84 = 49,451.68/x - Step 3: Cross multiply
85,263.92x = 117,661.84 × 49,451.68 - Step 4: Simplify right side
85,263.92x = 5,818,575,659.89 - Step 5: Solve for x
x = 5,818,575,659.89/85,263.92 - Step 6: Final answer
x = 68,241.94
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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.