Finding the Fourth Proportional to 73,040.56, 109,753.49 and 39,331.50
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Solution
The fourth proportional to 73,040.56, 109,753.49 and 39,331.50 is: 59,100.99
Step by Step Solution
- Step 1: Write the proportion equation
73,040.56 : 109,753.49 = 39,331.50 : x - Step 2: Convert to fraction form
73,040.56/109,753.49 = 39,331.50/x - Step 3: Cross multiply
73,040.56x = 109,753.49 × 39,331.50 - Step 4: Simplify right side
73,040.56x = 4,316,769,391.94 - Step 5: Solve for x
x = 4,316,769,391.94/73,040.56 - Step 6: Final answer
x = 59,100.99
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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.