Finding the Fourth Proportional to 108,023.32, 149,049.93 and 62,074.09
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Solution
The fourth proportional to 108,023.32, 149,049.93 and 62,074.09 is: 85,649.46
Step by Step Solution
- Step 1: Write the proportion equation
108,023.32 : 149,049.93 = 62,074.09 : x - Step 2: Convert to fraction form
108,023.32/149,049.93 = 62,074.09/x - Step 3: Cross multiply
108,023.32x = 149,049.93 × 62,074.09 - Step 4: Simplify right side
108,023.32x = 9,252,138,974.49 - Step 5: Solve for x
x = 9,252,138,974.49/108,023.32 - Step 6: Final answer
x = 85,649.46
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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.