Finding the Fourth Proportional to 85,159.18, 117,514.02 and 51,169.09
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Solution
The fourth proportional to 85,159.18, 117,514.02 and 51,169.09 is: 70,609.95
Step by Step Solution
- Step 1: Write the proportion equation
85,159.18 : 117,514.02 = 51,169.09 : x - Step 2: Convert to fraction form
85,159.18/117,514.02 = 51,169.09/x - Step 3: Cross multiply
85,159.18x = 117,514.02 × 51,169.09 - Step 4: Simplify right side
85,159.18x = 6,013,085,465.64 - Step 5: Solve for x
x = 6,013,085,465.64/85,159.18 - Step 6: Final answer
x = 70,609.95
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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.