Finding the Fourth Proportional to 69,454.92, 104,072.94 and 53,698.40
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Solution
The fourth proportional to 69,454.92, 104,072.94 and 53,698.40 is: 80,462.99
Step by Step Solution
- Step 1: Write the proportion equation
69,454.92 : 104,072.94 = 53,698.40 : x - Step 2: Convert to fraction form
69,454.92/104,072.94 = 53,698.40/x - Step 3: Cross multiply
69,454.92x = 104,072.94 × 53,698.40 - Step 4: Simplify right side
69,454.92x = 5,588,550,361.30 - Step 5: Solve for x
x = 5,588,550,361.30/69,454.92 - Step 6: Final answer
x = 80,462.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.