Finding the Fourth Proportional to 73,279.08, 101,126.22 and 39,745.08
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Solution
The fourth proportional to 73,279.08, 101,126.22 and 39,745.08 is: 54,848.80
Step by Step Solution
- Step 1: Write the proportion equation
73,279.08 : 101,126.22 = 39,745.08 : x - Step 2: Convert to fraction form
73,279.08/101,126.22 = 39,745.08/x - Step 3: Cross multiply
73,279.08x = 101,126.22 × 39,745.08 - Step 4: Simplify right side
73,279.08x = 4,019,269,704.00 - Step 5: Solve for x
x = 4,019,269,704.00/73,279.08 - Step 6: Final answer
x = 54,848.80
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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.