Finding the Fourth Proportional to 79,581.11, 119,373.03 and 26,991.95
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Solution
The fourth proportional to 79,581.11, 119,373.03 and 26,991.95 is: 40,488.38
Step by Step Solution
- Step 1: Write the proportion equation
79,581.11 : 119,373.03 = 26,991.95 : x - Step 2: Convert to fraction form
79,581.11/119,373.03 = 26,991.95/x - Step 3: Cross multiply
79,581.11x = 119,373.03 × 26,991.95 - Step 4: Simplify right side
79,581.11x = 3,222,110,260.24 - Step 5: Solve for x
x = 3,222,110,260.24/79,581.11 - Step 6: Final answer
x = 40,488.38
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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.