Finding the Fourth Proportional to 79,640.46, 119,377.36 and 29,700.48
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Solution
The fourth proportional to 79,640.46, 119,377.36 and 29,700.48 is: 44,519.64
Step by Step Solution
- Step 1: Write the proportion equation
79,640.46 : 119,377.36 = 29,700.48 : x - Step 2: Convert to fraction form
79,640.46/119,377.36 = 29,700.48/x - Step 3: Cross multiply
79,640.46x = 119,377.36 × 29,700.48 - Step 4: Simplify right side
79,640.46x = 3,545,564,893.13 - Step 5: Solve for x
x = 3,545,564,893.13/79,640.46 - Step 6: Final answer
x = 44,519.64
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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.