Finding the Fourth Proportional to 101,845.44, 140,546.52 and 56,523.98
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Solution
The fourth proportional to 101,845.44, 140,546.52 and 56,523.98 is: 78,002.99
Step by Step Solution
- Step 1: Write the proportion equation
101,845.44 : 140,546.52 = 56,523.98 : x - Step 2: Convert to fraction form
101,845.44/140,546.52 = 56,523.98/x - Step 3: Cross multiply
101,845.44x = 140,546.52 × 56,523.98 - Step 4: Simplify right side
101,845.44x = 7,944,249,036.92 - Step 5: Solve for x
x = 7,944,249,036.92/101,845.44 - Step 6: Final answer
x = 78,002.99
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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.