Finding the Fourth Proportional to 117,475.58, 162,114.62 and 63,759.21
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Solution
The fourth proportional to 117,475.58, 162,114.62 and 63,759.21 is: 87,986.80
Step by Step Solution
- Step 1: Write the proportion equation
117,475.58 : 162,114.62 = 63,759.21 : x - Step 2: Convert to fraction form
117,475.58/162,114.62 = 63,759.21/x - Step 3: Cross multiply
117,475.58x = 162,114.62 × 63,759.21 - Step 4: Simplify right side
117,475.58x = 10,336,300,260.05 - Step 5: Solve for x
x = 10,336,300,260.05/117,475.58 - Step 6: Final answer
x = 87,986.80
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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.