Finding the Fourth Proportional to 89,952.80, 134,905.68 and 26,755.92
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Solution
The fourth proportional to 89,952.80, 134,905.68 and 26,755.92 is: 40,126.88
Step by Step Solution
- Step 1: Write the proportion equation
89,952.80 : 134,905.68 = 26,755.92 : x - Step 2: Convert to fraction form
89,952.80/134,905.68 = 26,755.92/x - Step 3: Cross multiply
89,952.80x = 134,905.68 × 26,755.92 - Step 4: Simplify right side
89,952.80x = 3,609,525,581.63 - Step 5: Solve for x
x = 3,609,525,581.63/89,952.80 - Step 6: Final answer
x = 40,126.88
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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.