Finding the Fourth Proportional to 92,110.95, 138,229.86 and 32,139.75
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Solution
The fourth proportional to 92,110.95, 138,229.86 and 32,139.75 is: 48,231.76
Step by Step Solution
- Step 1: Write the proportion equation
92,110.95 : 138,229.86 = 32,139.75 : x - Step 2: Convert to fraction form
92,110.95/138,229.86 = 32,139.75/x - Step 3: Cross multiply
92,110.95x = 138,229.86 × 32,139.75 - Step 4: Simplify right side
92,110.95x = 4,442,673,142.94 - Step 5: Solve for x
x = 4,442,673,142.94/92,110.95 - Step 6: Final answer
x = 48,231.76
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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.