Finding the Fourth Proportional to 73,311.53, 101,169.56 and 39,777.53
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Solution
The fourth proportional to 73,311.53, 101,169.56 and 39,777.53 is: 54,892.80
Step by Step Solution
- Step 1: Write the proportion equation
73,311.53 : 101,169.56 = 39,777.53 : x - Step 2: Convert to fraction form
73,311.53/101,169.56 = 39,777.53/x - Step 3: Cross multiply
73,311.53x = 101,169.56 × 39,777.53 - Step 4: Simplify right side
73,311.53x = 4,024,275,009.10 - Step 5: Solve for x
x = 4,024,275,009.10/73,311.53 - Step 6: Final answer
x = 54,892.80
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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.