Finding the Fourth Proportional to 87,462.44, 120,693.90 and 49,735.88
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Solution
The fourth proportional to 87,462.44, 120,693.90 and 49,735.88 is: 68,633.09
Step by Step Solution
- Step 1: Write the proportion equation
87,462.44 : 120,693.90 = 49,735.88 : x - Step 2: Convert to fraction form
87,462.44/120,693.90 = 49,735.88/x - Step 3: Cross multiply
87,462.44x = 120,693.90 × 49,735.88 - Step 4: Simplify right side
87,462.44x = 6,002,817,327.13 - Step 5: Solve for x
x = 6,002,817,327.13/87,462.44 - Step 6: Final answer
x = 68,633.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.