Finding the Fourth Proportional to 73,555.44, 101,187.97 and 64,439.75
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Solution
The fourth proportional to 73,555.44, 101,187.97 and 64,439.75 is: 88,647.79
Step by Step Solution
- Step 1: Write the proportion equation
73,555.44 : 101,187.97 = 64,439.75 : x - Step 2: Convert to fraction form
73,555.44/101,187.97 = 64,439.75/x - Step 3: Cross multiply
73,555.44x = 101,187.97 × 64,439.75 - Step 4: Simplify right side
73,555.44x = 6,520,526,983.87 - Step 5: Solve for x
x = 6,520,526,983.87/73,555.44 - Step 6: Final answer
x = 88,647.79
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1.5x scale
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.