Finding the Fourth Proportional to 73,648.08, 110,453.58 and 21,057.84
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Solution
The fourth proportional to 73,648.08, 110,453.58 and 21,057.84 is: 31,581.46
Step by Step Solution
- Step 1: Write the proportion equation
73,648.08 : 110,453.58 = 21,057.84 : x - Step 2: Convert to fraction form
73,648.08/110,453.58 = 21,057.84/x - Step 3: Cross multiply
73,648.08x = 110,453.58 × 21,057.84 - Step 4: Simplify right side
73,648.08x = 2,325,913,815.07 - Step 5: Solve for x
x = 2,325,913,815.07/73,648.08 - Step 6: Final answer
x = 31,581.46
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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.