Finding the Fourth Proportional to 80,128.62, 110,567.79 and 44,313.75
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Solution
The fourth proportional to 80,128.62, 110,567.79 and 44,313.75 is: 61,147.61
Step by Step Solution
- Step 1: Write the proportion equation
80,128.62 : 110,567.79 = 44,313.75 : x - Step 2: Convert to fraction form
80,128.62/110,567.79 = 44,313.75/x - Step 3: Cross multiply
80,128.62x = 110,567.79 × 44,313.75 - Step 4: Simplify right side
80,128.62x = 4,899,673,404.11 - Step 5: Solve for x
x = 4,899,673,404.11/80,128.62 - Step 6: Final answer
x = 61,147.61
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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.