Finding the Fourth Proportional to 73,395.95, 101,286.44 and 39,861.95
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Solution
The fourth proportional to 73,395.95, 101,286.44 and 39,861.95 is: 55,009.50
Step by Step Solution
- Step 1: Write the proportion equation
73,395.95 : 101,286.44 = 39,861.95 : x - Step 2: Convert to fraction form
73,395.95/101,286.44 = 39,861.95/x - Step 3: Cross multiply
73,395.95x = 101,286.44 × 39,861.95 - Step 4: Simplify right side
73,395.95x = 4,037,474,301.22 - Step 5: Solve for x
x = 4,037,474,301.22/73,395.95 - Step 6: Final answer
x = 55,009.50
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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.