Finding the Fourth Proportional to 73,313.63, 101,172.74 and 39,779.63
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Solution
The fourth proportional to 73,313.63, 101,172.74 and 39,779.63 is: 54,895.85
Step by Step Solution
- Step 1: Write the proportion equation
73,313.63 : 101,172.74 = 39,779.63 : x - Step 2: Convert to fraction form
73,313.63/101,172.74 = 39,779.63/x - Step 3: Cross multiply
73,313.63x = 101,172.74 × 39,779.63 - Step 4: Simplify right side
73,313.63x = 4,024,614,163.29 - Step 5: Solve for x
x = 4,024,614,163.29/73,313.63 - Step 6: Final answer
x = 54,895.85
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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.