Finding the Fourth Proportional to 103,110.75, 154,690.29 and 32,029.74
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Solution
The fourth proportional to 103,110.75, 154,690.29 and 32,029.74 is: 48,052.12
Step by Step Solution
- Step 1: Write the proportion equation
103,110.75 : 154,690.29 = 32,029.74 : x - Step 2: Convert to fraction form
103,110.75/154,690.29 = 32,029.74/x - Step 3: Cross multiply
103,110.75x = 154,690.29 × 32,029.74 - Step 4: Simplify right side
103,110.75x = 4,954,689,769.22 - Step 5: Solve for x
x = 4,954,689,769.22/103,110.75 - Step 6: Final answer
x = 48,052.12
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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.