Finding the Fourth Proportional to 94,453.29, 130,331.70 and 54,168.75
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Solution
The fourth proportional to 94,453.29, 130,331.70 and 54,168.75 is: 74,744.94
Step by Step Solution
- Step 1: Write the proportion equation
94,453.29 : 130,331.70 = 54,168.75 : x - Step 2: Convert to fraction form
94,453.29/130,331.70 = 54,168.75/x - Step 3: Cross multiply
94,453.29x = 130,331.70 × 54,168.75 - Step 4: Simplify right side
94,453.29x = 7,059,905,274.38 - Step 5: Solve for x
x = 7,059,905,274.38/94,453.29 - Step 6: Final answer
x = 74,744.94
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1.5x scale
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.