Finding the Fourth Proportional to 74,011.40, 111,044.97 and 44,449.84
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Solution
The fourth proportional to 74,011.40, 111,044.97 and 44,449.84 is: 66,691.50
Step by Step Solution
- Step 1: Write the proportion equation
74,011.40 : 111,044.97 = 44,449.84 : x - Step 2: Convert to fraction form
74,011.40/111,044.97 = 44,449.84/x - Step 3: Cross multiply
74,011.40x = 111,044.97 × 44,449.84 - Step 4: Simplify right side
74,011.40x = 4,935,931,149.30 - Step 5: Solve for x
x = 4,935,931,149.30/74,011.40 - Step 6: Final answer
x = 66,691.50
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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.