Finding the Fourth Proportional to 87,212.08, 130,839.99 and 34,604.20
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Solution
The fourth proportional to 87,212.08, 130,839.99 and 34,604.20 is: 51,914.98
Step by Step Solution
- Step 1: Write the proportion equation
87,212.08 : 130,839.99 = 34,604.20 : x - Step 2: Convert to fraction form
87,212.08/130,839.99 = 34,604.20/x - Step 3: Cross multiply
87,212.08x = 130,839.99 × 34,604.20 - Step 4: Simplify right side
87,212.08x = 4,527,613,181.96 - Step 5: Solve for x
x = 4,527,613,181.96/87,212.08 - Step 6: Final answer
x = 51,914.98
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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.