Finding the Fourth Proportional to 86,585.18, 119,514.76 and 50,789.66
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Solution
The fourth proportional to 86,585.18, 119,514.76 and 50,789.66 is: 70,105.69
Step by Step Solution
- Step 1: Write the proportion equation
86,585.18 : 119,514.76 = 50,789.66 : x - Step 2: Convert to fraction form
86,585.18/119,514.76 = 50,789.66/x - Step 3: Cross multiply
86,585.18x = 119,514.76 × 50,789.66 - Step 4: Simplify right side
86,585.18x = 6,070,113,300.83 - Step 5: Solve for x
x = 6,070,113,300.83/86,585.18 - Step 6: Final answer
x = 70,105.69
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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.