Finding the Fourth Proportional to 101,505.01, 140,073.35 and 56,183.08
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Solution
The fourth proportional to 101,505.01, 140,073.35 and 56,183.08 is: 77,530.68
Step by Step Solution
- Step 1: Write the proportion equation
101,505.01 : 140,073.35 = 56,183.08 : x - Step 2: Convert to fraction form
101,505.01/140,073.35 = 56,183.08/x - Step 3: Cross multiply
101,505.01x = 140,073.35 × 56,183.08 - Step 4: Simplify right side
101,505.01x = 7,869,752,228.92 - Step 5: Solve for x
x = 7,869,752,228.92/101,505.01 - Step 6: Final answer
x = 77,530.68
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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.