Finding the Fourth Proportional to 80,400.76, 110,945.80 and 44,590.68
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Solution
The fourth proportional to 80,400.76, 110,945.80 and 44,590.68 is: 61,531.12
Step by Step Solution
- Step 1: Write the proportion equation
80,400.76 : 110,945.80 = 44,590.68 : x - Step 2: Convert to fraction form
80,400.76/110,945.80 = 44,590.68/x - Step 3: Cross multiply
80,400.76x = 110,945.80 × 44,590.68 - Step 4: Simplify right side
80,400.76x = 4,947,148,665.14 - Step 5: Solve for x
x = 4,947,148,665.14/80,400.76 - Step 6: Final answer
x = 61,531.12
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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.