Finding the Fourth Proportional to 87,107.06, 130,604.43 and 37,219.70
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Solution
The fourth proportional to 87,107.06, 130,604.43 and 37,219.70 is: 55,805.55
Step by Step Solution
- Step 1: Write the proportion equation
87,107.06 : 130,604.43 = 37,219.70 : x - Step 2: Convert to fraction form
87,107.06/130,604.43 = 37,219.70/x - Step 3: Cross multiply
87,107.06x = 130,604.43 × 37,219.70 - Step 4: Simplify right side
87,107.06x = 4,861,057,703.27 - Step 5: Solve for x
x = 4,861,057,703.27/87,107.06 - Step 6: Final answer
x = 55,805.55
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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.