Finding the Fourth Proportional to 73,729.20, 110,593.80 and 62,209.20
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Solution
The fourth proportional to 73,729.20, 110,593.80 and 62,209.20 is: 93,313.80
Step by Step Solution
- Step 1: Write the proportion equation
73,729.20 : 110,593.80 = 62,209.20 : x - Step 2: Convert to fraction form
73,729.20/110,593.80 = 62,209.20/x - Step 3: Cross multiply
73,729.20x = 110,593.80 × 62,209.20 - Step 4: Simplify right side
73,729.20x = 6,879,951,822.96 - Step 5: Solve for x
x = 6,879,951,822.96/73,729.20 - Step 6: Final answer
x = 93,313.80
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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.