Finding the Fourth Proportional to 71,014.45, 106,440.73 and 44,372.74
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Solution
The fourth proportional to 71,014.45, 106,440.73 and 44,372.74 is: 66,508.53
Step by Step Solution
- Step 1: Write the proportion equation
71,014.45 : 106,440.73 = 44,372.74 : x - Step 2: Convert to fraction form
71,014.45/106,440.73 = 44,372.74/x - Step 3: Cross multiply
71,014.45x = 106,440.73 × 44,372.74 - Step 4: Simplify right side
71,014.45x = 4,723,066,837.70 - Step 5: Solve for x
x = 4,723,066,837.70/71,014.45 - Step 6: Final answer
x = 66,508.53
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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.