Finding the Fourth Proportional to 92,613.13, 138,920.39 and 26,059.99
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Solution
The fourth proportional to 92,613.13, 138,920.39 and 26,059.99 is: 39,090.18
Step by Step Solution
- Step 1: Write the proportion equation
92,613.13 : 138,920.39 = 26,059.99 : x - Step 2: Convert to fraction form
92,613.13/138,920.39 = 26,059.99/x - Step 3: Cross multiply
92,613.13x = 138,920.39 × 26,059.99 - Step 4: Simplify right side
92,613.13x = 3,620,263,974.20 - Step 5: Solve for x
x = 3,620,263,974.20/92,613.13 - Step 6: Final answer
x = 39,090.18
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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.