Finding the Fourth Proportional to 91,276.14, 125,964.60 and 53,035.26
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Solution
The fourth proportional to 91,276.14, 125,964.60 and 53,035.26 is: 73,190.71
Step by Step Solution
- Step 1: Write the proportion equation
91,276.14 : 125,964.60 = 53,035.26 : x - Step 2: Convert to fraction form
91,276.14/125,964.60 = 53,035.26/x - Step 3: Cross multiply
91,276.14x = 125,964.60 × 53,035.26 - Step 4: Simplify right side
91,276.14x = 6,680,565,311.80 - Step 5: Solve for x
x = 6,680,565,311.80/91,276.14 - Step 6: Final answer
x = 73,190.71
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.