Finding the Fourth Proportional to 83,863.68, 125,795.52 and 39,475.68
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Solution
The fourth proportional to 83,863.68, 125,795.52 and 39,475.68 is: 59,213.52
Step by Step Solution
- Step 1: Write the proportion equation
83,863.68 : 125,795.52 = 39,475.68 : x - Step 2: Convert to fraction form
83,863.68/125,795.52 = 39,475.68/x - Step 3: Cross multiply
83,863.68x = 125,795.52 × 39,475.68 - Step 4: Simplify right side
83,863.68x = 4,965,863,692.95 - Step 5: Solve for x
x = 4,965,863,692.95/83,863.68 - Step 6: Final answer
x = 59,213.52
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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.