Finding the Fourth Proportional to 73,749.75, 110,624.69 and 31,602.48
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Solution
The fourth proportional to 73,749.75, 110,624.69 and 31,602.48 is: 47,403.74
Step by Step Solution
- Step 1: Write the proportion equation
73,749.75 : 110,624.69 = 31,602.48 : x - Step 2: Convert to fraction form
73,749.75/110,624.69 = 31,602.48/x - Step 3: Cross multiply
73,749.75x = 110,624.69 × 31,602.48 - Step 4: Simplify right side
73,749.75x = 3,496,013,842.10 - Step 5: Solve for x
x = 3,496,013,842.10/73,749.75 - Step 6: Final answer
x = 47,403.74
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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.