Finding the Fourth Proportional to 73,757.40, 110,537.25 and 69,033.48
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Solution
The fourth proportional to 73,757.40, 110,537.25 and 69,033.48 is: 103,457.70
Step by Step Solution
- Step 1: Write the proportion equation
73,757.40 : 110,537.25 = 69,033.48 : x - Step 2: Convert to fraction form
73,757.40/110,537.25 = 69,033.48/x - Step 3: Cross multiply
73,757.40x = 110,537.25 × 69,033.48 - Step 4: Simplify right side
73,757.40x = 7,630,771,037.13 - Step 5: Solve for x
x = 7,630,771,037.13/73,757.40 - Step 6: Final answer
x = 103,457.70
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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.