Finding the Fourth Proportional to 79,380.63, 119,070.94 and 23,976.63
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Solution
The fourth proportional to 79,380.63, 119,070.94 and 23,976.63 is: 35,964.94
Step by Step Solution
- Step 1: Write the proportion equation
79,380.63 : 119,070.94 = 23,976.63 : x - Step 2: Convert to fraction form
79,380.63/119,070.94 = 23,976.63/x - Step 3: Cross multiply
79,380.63x = 119,070.94 × 23,976.63 - Step 4: Simplify right side
79,380.63x = 2,854,919,872.13 - Step 5: Solve for x
x = 2,854,919,872.13/79,380.63 - Step 6: Final answer
x = 35,964.94
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1.5x scale
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.