Finding the Fourth Proportional to 88,979.80, 133,469.70 and 29,795.80
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Solution
The fourth proportional to 88,979.80, 133,469.70 and 29,795.80 is: 44,693.70
Step by Step Solution
- Step 1: Write the proportion equation
88,979.80 : 133,469.70 = 29,795.80 : x - Step 2: Convert to fraction form
88,979.80/133,469.70 = 29,795.80/x - Step 3: Cross multiply
88,979.80x = 133,469.70 × 29,795.80 - Step 4: Simplify right side
88,979.80x = 3,976,836,487.26 - Step 5: Solve for x
x = 3,976,836,487.26/88,979.80 - Step 6: Final answer
x = 44,693.70
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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.