Finding the Fourth Proportional to 123,241.60, 170,072.58 and 66,652.84
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Solution
The fourth proportional to 123,241.60, 170,072.58 and 66,652.84 is: 91,980.47
Step by Step Solution
- Step 1: Write the proportion equation
123,241.60 : 170,072.58 = 66,652.84 : x - Step 2: Convert to fraction form
123,241.60/170,072.58 = 66,652.84/x - Step 3: Cross multiply
123,241.60x = 170,072.58 × 66,652.84 - Step 4: Simplify right side
123,241.60x = 11,335,820,463.13 - Step 5: Solve for x
x = 11,335,820,463.13/123,241.60 - Step 6: Final answer
x = 91,980.47
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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.