Finding the Fourth Proportional to 71,750.39, 107,621.24 and 26,763.08
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Solution
The fourth proportional to 71,750.39, 107,621.24 and 26,763.08 is: 40,142.99
Step by Step Solution
- Step 1: Write the proportion equation
71,750.39 : 107,621.24 = 26,763.08 : x - Step 2: Convert to fraction form
71,750.39/107,621.24 = 26,763.08/x - Step 3: Cross multiply
71,750.39x = 107,621.24 × 26,763.08 - Step 4: Simplify right side
71,750.39x = 2,880,275,385.69 - Step 5: Solve for x
x = 2,880,275,385.69/71,750.39 - Step 6: Final answer
x = 40,142.99
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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.