Finding the Fourth Proportional to 73,364.74, 110,048.93 and 20,774.68
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Solution
The fourth proportional to 73,364.74, 110,048.93 and 20,774.68 is: 31,162.53
Step by Step Solution
- Step 1: Write the proportion equation
73,364.74 : 110,048.93 = 20,774.68 : x - Step 2: Convert to fraction form
73,364.74/110,048.93 = 20,774.68/x - Step 3: Cross multiply
73,364.74x = 110,048.93 × 20,774.68 - Step 4: Simplify right side
73,364.74x = 2,286,231,004.00 - Step 5: Solve for x
x = 2,286,231,004.00/73,364.74 - Step 6: Final answer
x = 31,162.53
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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.