Finding the Fourth Proportional to 117,914.08, 162,713.21 and 66,927.84
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Solution
The fourth proportional to 117,914.08, 162,713.21 and 66,927.84 is: 92,355.75
Step by Step Solution
- Step 1: Write the proportion equation
117,914.08 : 162,713.21 = 66,927.84 : x - Step 2: Convert to fraction form
117,914.08/162,713.21 = 66,927.84/x - Step 3: Cross multiply
117,914.08x = 162,713.21 × 66,927.84 - Step 4: Simplify right side
117,914.08x = 10,890,043,684.77 - Step 5: Solve for x
x = 10,890,043,684.77/117,914.08 - Step 6: Final answer
x = 92,355.75
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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.