Finding the Fourth Proportional to 113,765.09, 170,684.12 and 54,604.91
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Solution
The fourth proportional to 113,765.09, 170,684.12 and 54,604.91 is: 81,924.89
Step by Step Solution
- Step 1: Write the proportion equation
113,765.09 : 170,684.12 = 54,604.91 : x - Step 2: Convert to fraction form
113,765.09/170,684.12 = 54,604.91/x - Step 3: Cross multiply
113,765.09x = 170,684.12 × 54,604.91 - Step 4: Simplify right side
113,765.09x = 9,320,191,574.25 - Step 5: Solve for x
x = 9,320,191,574.25/113,765.09 - Step 6: Final answer
x = 81,924.89
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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.