Finding the Fourth Proportional to 73,933.68, 102,028.08 and 40,399.68
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Solution
The fourth proportional to 73,933.68, 102,028.08 and 40,399.68 is: 55,751.34
Step by Step Solution
- Step 1: Write the proportion equation
73,933.68 : 102,028.08 = 40,399.68 : x - Step 2: Convert to fraction form
73,933.68/102,028.08 = 40,399.68/x - Step 3: Cross multiply
73,933.68x = 102,028.08 × 40,399.68 - Step 4: Simplify right side
73,933.68x = 4,121,901,783.01 - Step 5: Solve for x
x = 4,121,901,783.01/73,933.68 - Step 6: Final answer
x = 55,751.34
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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.