Finding the Fourth Proportional to 79,869.66, 119,775.33 and 27,265.02
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Solution
The fourth proportional to 79,869.66, 119,775.33 and 27,265.02 is: 40,887.58
Step by Step Solution
- Step 1: Write the proportion equation
79,869.66 : 119,775.33 = 27,265.02 : x - Step 2: Convert to fraction form
79,869.66/119,775.33 = 27,265.02/x - Step 3: Cross multiply
79,869.66x = 119,775.33 × 27,265.02 - Step 4: Simplify right side
79,869.66x = 3,265,676,767.96 - Step 5: Solve for x
x = 3,265,676,767.96/79,869.66 - Step 6: Final answer
x = 40,887.58
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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.