Finding the Fourth Proportional to 79,192.11, 118,799.10 and 26,616.63
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Solution
The fourth proportional to 79,192.11, 118,799.10 and 26,616.63 is: 39,928.62
Step by Step Solution
- Step 1: Write the proportion equation
79,192.11 : 118,799.10 = 26,616.63 : x - Step 2: Convert to fraction form
79,192.11/118,799.10 = 26,616.63/x - Step 3: Cross multiply
79,192.11x = 118,799.10 × 26,616.63 - Step 4: Simplify right side
79,192.11x = 3,162,031,689.03 - Step 5: Solve for x
x = 3,162,031,689.03/79,192.11 - Step 6: Final answer
x = 39,928.62
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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.