Finding the Fourth Proportional to 73,228.14, 109,842.21 and 26,470.08
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Solution
The fourth proportional to 73,228.14, 109,842.21 and 26,470.08 is: 39,705.12
Step by Step Solution
- Step 1: Write the proportion equation
73,228.14 : 109,842.21 = 26,470.08 : x - Step 2: Convert to fraction form
73,228.14/109,842.21 = 26,470.08/x - Step 3: Cross multiply
73,228.14x = 109,842.21 × 26,470.08 - Step 4: Simplify right side
73,228.14x = 2,907,532,086.08 - Step 5: Solve for x
x = 2,907,532,086.08/73,228.14 - Step 6: Final answer
x = 39,705.12
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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.