Finding the Fourth Proportional to 73,944.04, 110,899.84 and 21,342.12
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Solution
The fourth proportional to 73,944.04, 110,899.84 and 21,342.12 is: 32,008.50
Step by Step Solution
- Step 1: Write the proportion equation
73,944.04 : 110,899.84 = 21,342.12 : x - Step 2: Convert to fraction form
73,944.04/110,899.84 = 21,342.12/x - Step 3: Cross multiply
73,944.04x = 110,899.84 × 21,342.12 - Step 4: Simplify right side
73,944.04x = 2,366,837,693.26 - Step 5: Solve for x
x = 2,366,837,693.26/73,944.04 - Step 6: Final answer
x = 32,008.50
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1.5x scale
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.