Finding the Fourth Proportional to 76,974.44, 106,255.14 and 58,104.68
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Solution
The fourth proportional to 76,974.44, 106,255.14 and 58,104.68 is: 80,207.42
Step by Step Solution
- Step 1: Write the proportion equation
76,974.44 : 106,255.14 = 58,104.68 : x - Step 2: Convert to fraction form
76,974.44/106,255.14 = 58,104.68/x - Step 3: Cross multiply
76,974.44x = 106,255.14 × 58,104.68 - Step 4: Simplify right side
76,974.44x = 6,173,920,908.06 - Step 5: Solve for x
x = 6,173,920,908.06/76,974.44 - Step 6: Final answer
x = 80,207.42
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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.