Finding the Fourth Proportional to 75,589.20, 113,383.19 and 22,998.74
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Solution
The fourth proportional to 75,589.20, 113,383.19 and 22,998.74 is: 34,497.92
Step by Step Solution
- Step 1: Write the proportion equation
75,589.20 : 113,383.19 = 22,998.74 : x - Step 2: Convert to fraction form
75,589.20/113,383.19 = 22,998.74/x - Step 3: Cross multiply
75,589.20x = 113,383.19 × 22,998.74 - Step 4: Simplify right side
75,589.20x = 2,607,669,997.76 - Step 5: Solve for x
x = 2,607,669,997.76/75,589.20 - Step 6: Final answer
x = 34,497.92
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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.