Finding the Fourth Proportional to 73,905.13, 101,996.58 and 43,700.23
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Solution
The fourth proportional to 73,905.13, 101,996.58 and 43,700.23 is: 60,310.75
Step by Step Solution
- Step 1: Write the proportion equation
73,905.13 : 101,996.58 = 43,700.23 : x - Step 2: Convert to fraction form
73,905.13/101,996.58 = 43,700.23/x - Step 3: Cross multiply
73,905.13x = 101,996.58 × 43,700.23 - Step 4: Simplify right side
73,905.13x = 4,457,274,005.21 - Step 5: Solve for x
x = 4,457,274,005.21/73,905.13 - Step 6: Final answer
x = 60,310.75
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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.