Finding the Fourth Proportional to 76,858.94, 114,524.36 and 68,474.52
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Solution
The fourth proportional to 76,858.94, 114,524.36 and 68,474.52 is: 102,031.08
Step by Step Solution
- Step 1: Write the proportion equation
76,858.94 : 114,524.36 = 68,474.52 : x - Step 2: Convert to fraction form
76,858.94/114,524.36 = 68,474.52/x - Step 3: Cross multiply
76,858.94x = 114,524.36 × 68,474.52 - Step 4: Simplify right side
76,858.94x = 7,842,000,579.31 - Step 5: Solve for x
x = 7,842,000,579.31/76,858.94 - Step 6: Final answer
x = 102,031.08
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.