Finding the Fourth Proportional to 110,713.87, 165,959.79 and 57,375.98
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Solution
The fourth proportional to 110,713.87, 165,959.79 and 57,375.98 is: 86,006.43
Step by Step Solution
- Step 1: Write the proportion equation
110,713.87 : 165,959.79 = 57,375.98 : x - Step 2: Convert to fraction form
110,713.87/165,959.79 = 57,375.98/x - Step 3: Cross multiply
110,713.87x = 165,959.79 × 57,375.98 - Step 4: Simplify right side
110,713.87x = 9,522,105,169.23 - Step 5: Solve for x
x = 9,522,105,169.23/110,713.87 - Step 6: Final answer
x = 86,006.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.