Finding the Fourth Proportional to 73,279.15, 101,125.23 and 39,745.15
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Solution
The fourth proportional to 73,279.15, 101,125.23 and 39,745.15 is: 54,848.31
Step by Step Solution
- Step 1: Write the proportion equation
73,279.15 : 101,125.23 = 39,745.15 : x - Step 2: Convert to fraction form
73,279.15/101,125.23 = 39,745.15/x - Step 3: Cross multiply
73,279.15x = 101,125.23 × 39,745.15 - Step 4: Simplify right side
73,279.15x = 4,019,237,435.13 - Step 5: Solve for x
x = 4,019,237,435.13/73,279.15 - Step 6: Final answer
x = 54,848.31
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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.