Finding the Fourth Proportional to 92,613.80, 138,921.12 and 22,493.13
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Solution
The fourth proportional to 92,613.80, 138,921.12 and 22,493.13 is: 33,739.80
Step by Step Solution
- Step 1: Write the proportion equation
92,613.80 : 138,921.12 = 22,493.13 : x - Step 2: Convert to fraction form
92,613.80/138,921.12 = 22,493.13/x - Step 3: Cross multiply
92,613.80x = 138,921.12 × 22,493.13 - Step 4: Simplify right side
92,613.80x = 3,124,770,811.91 - Step 5: Solve for x
x = 3,124,770,811.91/92,613.80 - Step 6: Final answer
x = 33,739.80
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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.