Finding the Fourth Proportional to 87,125.52, 120,214.62 and 51,302.44
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Solution
The fourth proportional to 87,125.52, 120,214.62 and 51,302.44 is: 70,786.42
Step by Step Solution
- Step 1: Write the proportion equation
87,125.52 : 120,214.62 = 51,302.44 : x - Step 2: Convert to fraction form
87,125.52/120,214.62 = 51,302.44/x - Step 3: Cross multiply
87,125.52x = 120,214.62 × 51,302.44 - Step 4: Simplify right side
87,125.52x = 6,167,303,329.67 - Step 5: Solve for x
x = 6,167,303,329.67/87,125.52 - Step 6: Final answer
x = 70,786.42
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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.