Finding the Fourth Proportional to 73,929.60, 110,894.40 and 29,563.20
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Solution
The fourth proportional to 73,929.60, 110,894.40 and 29,563.20 is: 44,344.80
Step by Step Solution
- Step 1: Write the proportion equation
73,929.60 : 110,894.40 = 29,563.20 : x - Step 2: Convert to fraction form
73,929.60/110,894.40 = 29,563.20/x - Step 3: Cross multiply
73,929.60x = 110,894.40 × 29,563.20 - Step 4: Simplify right side
73,929.60x = 3,278,393,326.08 - Step 5: Solve for x
x = 3,278,393,326.08/73,929.60 - Step 6: Final answer
x = 44,344.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.