Finding the Fourth Proportional to 92,512.44, 138,811.68 and 29,342.52
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Solution
The fourth proportional to 92,512.44, 138,811.68 and 29,342.52 is: 44,027.42
Step by Step Solution
- Step 1: Write the proportion equation
92,512.44 : 138,811.68 = 29,342.52 : x - Step 2: Convert to fraction form
92,512.44/138,811.68 = 29,342.52/x - Step 3: Cross multiply
92,512.44x = 138,811.68 × 29,342.52 - Step 4: Simplify right side
92,512.44x = 4,073,084,496.63 - Step 5: Solve for x
x = 4,073,084,496.63/92,512.44 - Step 6: Final answer
x = 44,027.42
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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.