Finding the Fourth Proportional to 79,581.98, 119,373.11 and 26,276.94
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Solution
The fourth proportional to 79,581.98, 119,373.11 and 26,276.94 is: 39,415.46
Step by Step Solution
- Step 1: Write the proportion equation
79,581.98 : 119,373.11 = 26,276.94 : x - Step 2: Convert to fraction form
79,581.98/119,373.11 = 26,276.94/x - Step 3: Cross multiply
79,581.98x = 119,373.11 × 26,276.94 - Step 4: Simplify right side
79,581.98x = 3,136,760,114.78 - Step 5: Solve for x
x = 3,136,760,114.78/79,581.98 - Step 6: Final answer
x = 39,415.46
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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.