Finding the Fourth Proportional to 87,337.36, 120,525.96 and 49,613.68
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Solution
The fourth proportional to 87,337.36, 120,525.96 and 49,613.68 is: 68,467.11
Step by Step Solution
- Step 1: Write the proportion equation
87,337.36 : 120,525.96 = 49,613.68 : x - Step 2: Convert to fraction form
87,337.36/120,525.96 = 49,613.68/x - Step 3: Cross multiply
87,337.36x = 120,525.96 × 49,613.68 - Step 4: Simplify right side
87,337.36x = 5,979,736,411.13 - Step 5: Solve for x
x = 5,979,736,411.13/87,337.36 - Step 6: Final answer
x = 68,467.11
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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.