Finding the Fourth Proportional to 79,889.13, 119,833.70 and 27,299.07
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Solution
The fourth proportional to 79,889.13, 119,833.70 and 27,299.07 is: 40,948.61
Step by Step Solution
- Step 1: Write the proportion equation
79,889.13 : 119,833.70 = 27,299.07 : x - Step 2: Convert to fraction form
79,889.13/119,833.70 = 27,299.07/x - Step 3: Cross multiply
79,889.13x = 119,833.70 × 27,299.07 - Step 4: Simplify right side
79,889.13x = 3,271,348,428.16 - Step 5: Solve for x
x = 3,271,348,428.16/79,889.13 - Step 6: Final answer
x = 40,948.61
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Similar ratio
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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.