Finding the Fourth Proportional to 73,433.46, 110,149.98 and 20,842.99
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Solution
The fourth proportional to 73,433.46, 110,149.98 and 20,842.99 is: 31,264.43
Step by Step Solution
- Step 1: Write the proportion equation
73,433.46 : 110,149.98 = 20,842.99 : x - Step 2: Convert to fraction form
73,433.46/110,149.98 = 20,842.99/x - Step 3: Cross multiply
73,433.46x = 110,149.98 × 20,842.99 - Step 4: Simplify right side
73,433.46x = 2,295,854,931.64 - Step 5: Solve for x
x = 2,295,854,931.64/73,433.46 - Step 6: Final answer
x = 31,264.43
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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.