Finding the Fourth Proportional to 79,358.32, 119,044.47 and 29,438.95
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Solution
The fourth proportional to 79,358.32, 119,044.47 and 29,438.95 is: 44,161.02
Step by Step Solution
- Step 1: Write the proportion equation
79,358.32 : 119,044.47 = 29,438.95 : x - Step 2: Convert to fraction form
79,358.32/119,044.47 = 29,438.95/x - Step 3: Cross multiply
79,358.32x = 119,044.47 × 29,438.95 - Step 4: Simplify right side
79,358.32x = 3,504,544,200.11 - Step 5: Solve for x
x = 3,504,544,200.11/79,358.32 - Step 6: Final answer
x = 44,161.02
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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.