Finding the Fourth Proportional to 116,686.72, 175,021.62 and 45,595.99
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Solution
The fourth proportional to 116,686.72, 175,021.62 and 45,595.99 is: 68,390.68
Step by Step Solution
- Step 1: Write the proportion equation
116,686.72 : 175,021.62 = 45,595.99 : x - Step 2: Convert to fraction form
116,686.72/175,021.62 = 45,595.99/x - Step 3: Cross multiply
116,686.72x = 175,021.62 × 45,595.99 - Step 4: Simplify right side
116,686.72x = 7,980,284,035.30 - Step 5: Solve for x
x = 7,980,284,035.30/116,686.72 - Step 6: Final answer
x = 68,390.68
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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.