Finding the Fourth Proportional to 92,385.63, 138,580.61 and 30,060.99
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Solution
The fourth proportional to 92,385.63, 138,580.61 and 30,060.99 is: 45,092.19
Step by Step Solution
- Step 1: Write the proportion equation
92,385.63 : 138,580.61 = 30,060.99 : x - Step 2: Convert to fraction form
92,385.63/138,580.61 = 30,060.99/x - Step 3: Cross multiply
92,385.63x = 138,580.61 × 30,060.99 - Step 4: Simplify right side
92,385.63x = 4,165,870,181.10 - Step 5: Solve for x
x = 4,165,870,181.10/92,385.63 - Step 6: Final answer
x = 45,092.19
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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.