Finding the Fourth Proportional to 73,027.26, 100,777.50 and 39,493.26
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Solution
The fourth proportional to 73,027.26, 100,777.50 and 39,493.26 is: 54,500.63
Step by Step Solution
- Step 1: Write the proportion equation
73,027.26 : 100,777.50 = 39,493.26 : x - Step 2: Convert to fraction form
73,027.26/100,777.50 = 39,493.26/x - Step 3: Cross multiply
73,027.26x = 100,777.50 × 39,493.26 - Step 4: Simplify right side
73,027.26x = 3,980,032,009.65 - Step 5: Solve for x
x = 3,980,032,009.65/73,027.26 - Step 6: Final answer
x = 54,500.63
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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.