Finding the Fourth Proportional to 71,402.43, 107,118.68 and 27,028.20
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Solution
The fourth proportional to 71,402.43, 107,118.68 and 27,028.20 is: 40,547.99
Step by Step Solution
- Step 1: Write the proportion equation
71,402.43 : 107,118.68 = 27,028.20 : x - Step 2: Convert to fraction form
71,402.43/107,118.68 = 27,028.20/x - Step 3: Cross multiply
71,402.43x = 107,118.68 × 27,028.20 - Step 4: Simplify right side
71,402.43x = 2,895,225,106.78 - Step 5: Solve for x
x = 2,895,225,106.78/71,402.43 - Step 6: Final answer
x = 40,547.99
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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.