Finding the Fourth Proportional to 85,176.83, 117,546.36 and 47,451.08
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Solution
The fourth proportional to 85,176.83, 117,546.36 and 47,451.08 is: 65,483.79
Step by Step Solution
- Step 1: Write the proportion equation
85,176.83 : 117,546.36 = 47,451.08 : x - Step 2: Convert to fraction form
85,176.83/117,546.36 = 47,451.08/x - Step 3: Cross multiply
85,176.83x = 117,546.36 × 47,451.08 - Step 4: Simplify right side
85,176.83x = 5,577,701,732.07 - Step 5: Solve for x
x = 5,577,701,732.07/85,176.83 - Step 6: Final answer
x = 65,483.79
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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.