Finding the Fourth Proportional to 69,642.07, 104,480.77 and 32,229.08
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Solution
The fourth proportional to 69,642.07, 104,480.77 and 32,229.08 is: 48,351.80
Step by Step Solution
- Step 1: Write the proportion equation
69,642.07 : 104,480.77 = 32,229.08 : x - Step 2: Convert to fraction form
69,642.07/104,480.77 = 32,229.08/x - Step 3: Cross multiply
69,642.07x = 104,480.77 × 32,229.08 - Step 4: Simplify right side
69,642.07x = 3,367,319,094.79 - Step 5: Solve for x
x = 3,367,319,094.79/69,642.07 - Step 6: Final answer
x = 48,351.80
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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.