Finding the Fourth Proportional to 83,247.10, 124,913.85 and 36,504.70
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Solution
The fourth proportional to 83,247.10, 124,913.85 and 36,504.70 is: 54,775.99
Step by Step Solution
- Step 1: Write the proportion equation
83,247.10 : 124,913.85 = 36,504.70 : x - Step 2: Convert to fraction form
83,247.10/124,913.85 = 36,504.70/x - Step 3: Cross multiply
83,247.10x = 124,913.85 × 36,504.70 - Step 4: Simplify right side
83,247.10x = 4,559,942,620.10 - Step 5: Solve for x
x = 4,559,942,620.10/83,247.10 - Step 6: Final answer
x = 54,775.99
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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.