Finding the Fourth Proportional to 77,325.20, 115,986.24 and 24,734.68
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Solution
The fourth proportional to 77,325.20, 115,986.24 and 24,734.68 is: 37,101.52
Step by Step Solution
- Step 1: Write the proportion equation
77,325.20 : 115,986.24 = 24,734.68 : x - Step 2: Convert to fraction form
77,325.20/115,986.24 = 24,734.68/x - Step 3: Cross multiply
77,325.20x = 115,986.24 × 24,734.68 - Step 4: Simplify right side
77,325.20x = 2,868,882,530.80 - Step 5: Solve for x
x = 2,868,882,530.80/77,325.20 - Step 6: Final answer
x = 37,101.52
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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.