Finding the Fourth Proportional to 79,768.95, 119,616.84 and 27,157.02
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Solution
The fourth proportional to 79,768.95, 119,616.84 and 27,157.02 is: 40,723.07
Step by Step Solution
- Step 1: Write the proportion equation
79,768.95 : 119,616.84 = 27,157.02 : x - Step 2: Convert to fraction form
79,768.95/119,616.84 = 27,157.02/x - Step 3: Cross multiply
79,768.95x = 119,616.84 × 27,157.02 - Step 4: Simplify right side
79,768.95x = 3,248,436,916.22 - Step 5: Solve for x
x = 3,248,436,916.22/79,768.95 - Step 6: Final answer
x = 40,723.07
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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.