Finding the Fourth Proportional to 73,125.19, 109,665.10 and 26,371.99
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Solution
The fourth proportional to 73,125.19, 109,665.10 and 26,371.99 is: 39,549.80
Step by Step Solution
- Step 1: Write the proportion equation
73,125.19 : 109,665.10 = 26,371.99 : x - Step 2: Convert to fraction form
73,125.19/109,665.10 = 26,371.99/x - Step 3: Cross multiply
73,125.19x = 109,665.10 × 26,371.99 - Step 4: Simplify right side
73,125.19x = 2,892,086,920.55 - Step 5: Solve for x
x = 2,892,086,920.55/73,125.19 - Step 6: Final answer
x = 39,549.80
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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.