Finding the Fourth Proportional to 73,464.02, 101,379.84 and 39,930.02
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Solution
The fourth proportional to 73,464.02, 101,379.84 and 39,930.02 is: 55,103.15
Step by Step Solution
- Step 1: Write the proportion equation
73,464.02 : 101,379.84 = 39,930.02 : x - Step 2: Convert to fraction form
73,464.02/101,379.84 = 39,930.02/x - Step 3: Cross multiply
73,464.02x = 101,379.84 × 39,930.02 - Step 4: Simplify right side
73,464.02x = 4,048,099,038.80 - Step 5: Solve for x
x = 4,048,099,038.80/73,464.02 - Step 6: Final answer
x = 55,103.15
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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.