Finding the Fourth Proportional to 73,401.09, 110,143.20 and 31,276.74
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Solution
The fourth proportional to 73,401.09, 110,143.20 and 31,276.74 is: 46,932.82
Step by Step Solution
- Step 1: Write the proportion equation
73,401.09 : 110,143.20 = 31,276.74 : x - Step 2: Convert to fraction form
73,401.09/110,143.20 = 31,276.74/x - Step 3: Cross multiply
73,401.09x = 110,143.20 × 31,276.74 - Step 4: Simplify right side
73,401.09x = 3,444,920,229.17 - Step 5: Solve for x
x = 3,444,920,229.17/73,401.09 - Step 6: Final answer
x = 46,932.82
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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.