Finding the Fourth Proportional to 121,621.08, 182,422.62 and 42,736.08
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Solution
The fourth proportional to 121,621.08, 182,422.62 and 42,736.08 is: 64,100.96
Step by Step Solution
- Step 1: Write the proportion equation
121,621.08 : 182,422.62 = 42,736.08 : x - Step 2: Convert to fraction form
121,621.08/182,422.62 = 42,736.08/x - Step 3: Cross multiply
121,621.08x = 182,422.62 × 42,736.08 - Step 4: Simplify right side
121,621.08x = 7,796,027,682.13 - Step 5: Solve for x
x = 7,796,027,682.13/121,621.08 - Step 6: Final answer
x = 64,100.96
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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.