Finding the Fourth Proportional to 92,336.05, 138,504.03 and 71,306.68
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Solution
The fourth proportional to 92,336.05, 138,504.03 and 71,306.68 is: 106,959.99
Step by Step Solution
- Step 1: Write the proportion equation
92,336.05 : 138,504.03 = 71,306.68 : x - Step 2: Convert to fraction form
92,336.05/138,504.03 = 71,306.68/x - Step 3: Cross multiply
92,336.05x = 138,504.03 × 71,306.68 - Step 4: Simplify right side
92,336.05x = 9,876,262,545.92 - Step 5: Solve for x
x = 9,876,262,545.92/92,336.05 - Step 6: Final answer
x = 106,959.99
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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.