Finding the Fourth Proportional to 87,813.72, 121,161.42 and 52,002
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Solution
The fourth proportional to 87,813.72, 121,161.42 and 52,002 is: 71,750.02
Step by Step Solution
- Step 1: Write the proportion equation
87,813.72 : 121,161.42 = 52,002 : x - Step 2: Convert to fraction form
87,813.72/121,161.42 = 52,002/x - Step 3: Cross multiply
87,813.72x = 121,161.42 × 52,002 - Step 4: Simplify right side
87,813.72x = 6,300,636,162.84 - Step 5: Solve for x
x = 6,300,636,162.84/87,813.72 - Step 6: Final answer
x = 71,750.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.