Finding the Fourth Proportional to 83,845.84, 125,729.88 and 48,795.52
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Solution
The fourth proportional to 83,845.84, 125,729.88 and 48,795.52 is: 73,170.65
Step by Step Solution
- Step 1: Write the proportion equation
83,845.84 : 125,729.88 = 48,795.52 : x - Step 2: Convert to fraction form
83,845.84/125,729.88 = 48,795.52/x - Step 3: Cross multiply
83,845.84x = 125,729.88 × 48,795.52 - Step 4: Simplify right side
83,845.84x = 6,135,054,874.14 - Step 5: Solve for x
x = 6,135,054,874.14/83,845.84 - Step 6: Final answer
x = 73,170.65
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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.