Finding the Fourth Proportional to 73,529.60, 101,467.92 and 39,995.68
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Solution
The fourth proportional to 73,529.60, 101,467.92 and 39,995.68 is: 55,192.45
Step by Step Solution
- Step 1: Write the proportion equation
73,529.60 : 101,467.92 = 39,995.68 : x - Step 2: Convert to fraction form
73,529.60/101,467.92 = 39,995.68/x - Step 3: Cross multiply
73,529.60x = 101,467.92 × 39,995.68 - Step 4: Simplify right side
73,529.60x = 4,058,278,458.59 - Step 5: Solve for x
x = 4,058,278,458.59/73,529.60 - Step 6: Final answer
x = 55,192.45
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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.