Finding the Fourth Proportional to 73,313.75, 101,173.52 and 39,779.75
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Solution
The fourth proportional to 73,313.75, 101,173.52 and 39,779.75 is: 54,896.35
Step by Step Solution
- Step 1: Write the proportion equation
73,313.75 : 101,173.52 = 39,779.75 : x - Step 2: Convert to fraction form
73,313.75/101,173.52 = 39,779.75/x - Step 3: Cross multiply
73,313.75x = 101,173.52 × 39,779.75 - Step 4: Simplify right side
73,313.75x = 4,024,657,332.22 - Step 5: Solve for x
x = 4,024,657,332.22/73,313.75 - Step 6: Final answer
x = 54,896.35
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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.