Finding the Fourth Proportional to 79,581.15, 119,373.03 and 26,991.99
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Solution
The fourth proportional to 79,581.15, 119,373.03 and 26,991.99 is: 40,488.43
Step by Step Solution
- Step 1: Write the proportion equation
79,581.15 : 119,373.03 = 26,991.99 : x - Step 2: Convert to fraction form
79,581.15/119,373.03 = 26,991.99/x - Step 3: Cross multiply
79,581.15x = 119,373.03 × 26,991.99 - Step 4: Simplify right side
79,581.15x = 3,222,115,632.03 - Step 5: Solve for x
x = 3,222,115,632.03/79,581.15 - Step 6: Final answer
x = 40,488.43
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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.