Finding the Fourth Proportional to 85,336.24, 117,764.04 and 47,609.68
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Solution
The fourth proportional to 85,336.24, 117,764.04 and 47,609.68 is: 65,701.37
Step by Step Solution
- Step 1: Write the proportion equation
85,336.24 : 117,764.04 = 47,609.68 : x - Step 2: Convert to fraction form
85,336.24/117,764.04 = 47,609.68/x - Step 3: Cross multiply
85,336.24x = 117,764.04 × 47,609.68 - Step 4: Simplify right side
85,336.24x = 5,606,708,259.91 - Step 5: Solve for x
x = 5,606,708,259.91/85,336.24 - Step 6: Final answer
x = 65,701.37
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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.