Finding the Fourth Proportional to 88,313.67, 132,470.54 and 21,755.09
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Solution
The fourth proportional to 88,313.67, 132,470.54 and 21,755.09 is: 32,632.65
Step by Step Solution
- Step 1: Write the proportion equation
88,313.67 : 132,470.54 = 21,755.09 : x - Step 2: Convert to fraction form
88,313.67/132,470.54 = 21,755.09/x - Step 3: Cross multiply
88,313.67x = 132,470.54 × 21,755.09 - Step 4: Simplify right side
88,313.67x = 2,881,908,824.03 - Step 5: Solve for x
x = 2,881,908,824.03/88,313.67 - Step 6: Final answer
x = 32,632.65
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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.