Finding the Fourth Proportional to 80,319.08, 110,840.60 and 44,509.68
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Solution
The fourth proportional to 80,319.08, 110,840.60 and 44,509.68 is: 61,423.51
Step by Step Solution
- Step 1: Write the proportion equation
80,319.08 : 110,840.60 = 44,509.68 : x - Step 2: Convert to fraction form
80,319.08/110,840.60 = 44,509.68/x - Step 3: Cross multiply
80,319.08x = 110,840.60 × 44,509.68 - Step 4: Simplify right side
80,319.08x = 4,933,479,414.46 - Step 5: Solve for x
x = 4,933,479,414.46/80,319.08 - Step 6: Final answer
x = 61,423.51
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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.