Finding the Fourth Proportional to 111,965.76, 167,811.84 and 62,043.84
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Solution
The fourth proportional to 111,965.76, 167,811.84 and 62,043.84 is: 92,989.95
Step by Step Solution
- Step 1: Write the proportion equation
111,965.76 : 167,811.84 = 62,043.84 : x - Step 2: Convert to fraction form
111,965.76/167,811.84 = 62,043.84/x - Step 3: Cross multiply
111,965.76x = 167,811.84 × 62,043.84 - Step 4: Simplify right side
111,965.76x = 10,411,690,951.07 - Step 5: Solve for x
x = 10,411,690,951.07/111,965.76 - Step 6: Final answer
x = 92,989.95
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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.