Finding the Fourth Proportional to 73,382.99, 110,120.80 and 31,263.08
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Solution
The fourth proportional to 73,382.99, 110,120.80 and 31,263.08 is: 46,914.36
Step by Step Solution
- Step 1: Write the proportion equation
73,382.99 : 110,120.80 = 31,263.08 : x - Step 2: Convert to fraction form
73,382.99/110,120.80 = 31,263.08/x - Step 3: Cross multiply
73,382.99x = 110,120.80 × 31,263.08 - Step 4: Simplify right side
73,382.99x = 3,442,715,577.21 - Step 5: Solve for x
x = 3,442,715,577.21/73,382.99 - Step 6: Final answer
x = 46,914.36
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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.