Finding the Fourth Proportional to 76,063.28, 114,094.92 and 74,313.68
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Solution
The fourth proportional to 76,063.28, 114,094.92 and 74,313.68 is: 111,470.52
Step by Step Solution
- Step 1: Write the proportion equation
76,063.28 : 114,094.92 = 74,313.68 : x - Step 2: Convert to fraction form
76,063.28/114,094.92 = 74,313.68/x - Step 3: Cross multiply
76,063.28x = 114,094.92 × 74,313.68 - Step 4: Simplify right side
76,063.28x = 8,478,813,374.51 - Step 5: Solve for x
x = 8,478,813,374.51/76,063.28 - Step 6: Final answer
x = 111,470.52
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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.