Finding the Fourth Proportional to 88,933.38, 133,285.41 and 66,571.62
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Solution
The fourth proportional to 88,933.38, 133,285.41 and 66,571.62 is: 99,771.60
Step by Step Solution
- Step 1: Write the proportion equation
88,933.38 : 133,285.41 = 66,571.62 : x - Step 2: Convert to fraction form
88,933.38/133,285.41 = 66,571.62/x - Step 3: Cross multiply
88,933.38x = 133,285.41 × 66,571.62 - Step 4: Simplify right side
88,933.38x = 8,873,025,666.06 - Step 5: Solve for x
x = 8,873,025,666.06/88,933.38 - Step 6: Final answer
x = 99,771.60
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1.5x scale
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.