Finding the Fourth Proportional to 84,031.83, 126,065.97 and 24,871.66
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Solution
The fourth proportional to 84,031.83, 126,065.97 and 24,871.66 is: 37,312.88
Step by Step Solution
- Step 1: Write the proportion equation
84,031.83 : 126,065.97 = 24,871.66 : x - Step 2: Convert to fraction form
84,031.83/126,065.97 = 24,871.66/x - Step 3: Cross multiply
84,031.83x = 126,065.97 × 24,871.66 - Step 4: Simplify right side
84,031.83x = 3,135,469,628.25 - Step 5: Solve for x
x = 3,135,469,628.25/84,031.83 - Step 6: Final answer
x = 37,312.88
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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.