Finding the Fourth Proportional to 69,682.42, 104,523.68 and 25,309.09
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Solution
The fourth proportional to 69,682.42, 104,523.68 and 25,309.09 is: 37,963.65
Step by Step Solution
- Step 1: Write the proportion equation
69,682.42 : 104,523.68 = 25,309.09 : x - Step 2: Convert to fraction form
69,682.42/104,523.68 = 25,309.09/x - Step 3: Cross multiply
69,682.42x = 104,523.68 × 25,309.09 - Step 4: Simplify right side
69,682.42x = 2,645,399,224.25 - Step 5: Solve for x
x = 2,645,399,224.25/69,682.42 - Step 6: Final answer
x = 37,963.65
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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.