Finding the Fourth Proportional to 73,698.18, 101,674.62 and 45,354.66
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Solution
The fourth proportional to 73,698.18, 101,674.62 and 45,354.66 is: 62,571.66
Step by Step Solution
- Step 1: Write the proportion equation
73,698.18 : 101,674.62 = 45,354.66 : x - Step 2: Convert to fraction form
73,698.18/101,674.62 = 45,354.66/x - Step 3: Cross multiply
73,698.18x = 101,674.62 × 45,354.66 - Step 4: Simplify right side
73,698.18x = 4,611,417,820.73 - Step 5: Solve for x
x = 4,611,417,820.73/73,698.18 - Step 6: Final answer
x = 62,571.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.