Finding the Fourth Proportional to 92,520.36, 138,682.26 and 48,102.66
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Solution
The fourth proportional to 92,520.36, 138,682.26 and 48,102.66 is: 72,102.89
Step by Step Solution
- Step 1: Write the proportion equation
92,520.36 : 138,682.26 = 48,102.66 : x - Step 2: Convert to fraction form
92,520.36/138,682.26 = 48,102.66/x - Step 3: Cross multiply
92,520.36x = 138,682.26 × 48,102.66 - Step 4: Simplify right side
92,520.36x = 6,670,985,600.81 - Step 5: Solve for x
x = 6,670,985,600.81/92,520.36 - Step 6: Final answer
x = 72,102.89
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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.