Finding the Fourth Proportional to 73,263.68, 101,103.92 and 39,729.68
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Solution
The fourth proportional to 73,263.68, 101,103.92 and 39,729.68 is: 54,826.98
Step by Step Solution
- Step 1: Write the proportion equation
73,263.68 : 101,103.92 = 39,729.68 : x - Step 2: Convert to fraction form
73,263.68/101,103.92 = 39,729.68/x - Step 3: Cross multiply
73,263.68x = 101,103.92 × 39,729.68 - Step 4: Simplify right side
73,263.68x = 4,016,826,388.35 - Step 5: Solve for x
x = 4,016,826,388.35/73,263.68 - Step 6: Final answer
x = 54,826.98
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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.