Finding the Fourth Proportional to 76,953.64, 115,442.58 and 32,580.64
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Solution
The fourth proportional to 76,953.64, 115,442.58 and 32,580.64 is: 48,876.09
Step by Step Solution
- Step 1: Write the proportion equation
76,953.64 : 115,442.58 = 32,580.64 : x - Step 2: Convert to fraction form
76,953.64/115,442.58 = 32,580.64/x - Step 3: Cross multiply
76,953.64x = 115,442.58 × 32,580.64 - Step 4: Simplify right side
76,953.64x = 3,761,193,139.65 - Step 5: Solve for x
x = 3,761,193,139.65/76,953.64 - Step 6: Final answer
x = 48,876.09
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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.