Finding the Fourth Proportional to 79,860.63, 119,782.97 and 32,478.52
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Solution
The fourth proportional to 79,860.63, 119,782.97 and 32,478.52 is: 48,714.53
Step by Step Solution
- Step 1: Write the proportion equation
79,860.63 : 119,782.97 = 32,478.52 : x - Step 2: Convert to fraction form
79,860.63/119,782.97 = 32,478.52/x - Step 3: Cross multiply
79,860.63x = 119,782.97 × 32,478.52 - Step 4: Simplify right side
79,860.63x = 3,890,373,368.54 - Step 5: Solve for x
x = 3,890,373,368.54/79,860.63 - Step 6: Final answer
x = 48,714.53
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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.