Finding the Fourth Proportional to 80,216.08, 110,699.76 and 44,405.08
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Solution
The fourth proportional to 80,216.08, 110,699.76 and 44,405.08 is: 61,279.88
Step by Step Solution
- Step 1: Write the proportion equation
80,216.08 : 110,699.76 = 44,405.08 : x - Step 2: Convert to fraction form
80,216.08/110,699.76 = 44,405.08/x - Step 3: Cross multiply
80,216.08x = 110,699.76 × 44,405.08 - Step 4: Simplify right side
80,216.08x = 4,915,631,698.78 - Step 5: Solve for x
x = 4,915,631,698.78/80,216.08 - Step 6: Final answer
x = 61,279.88
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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.