Finding the Fourth Proportional to 93,939.10, 140,908.94 and 22,861.75
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Solution
The fourth proportional to 93,939.10, 140,908.94 and 22,861.75 is: 34,292.70
Step by Step Solution
- Step 1: Write the proportion equation
93,939.10 : 140,908.94 = 22,861.75 : x - Step 2: Convert to fraction form
93,939.10/140,908.94 = 22,861.75/x - Step 3: Cross multiply
93,939.10x = 140,908.94 × 22,861.75 - Step 4: Simplify right side
93,939.10x = 3,221,424,959.05 - Step 5: Solve for x
x = 3,221,424,959.05/93,939.10 - Step 6: Final answer
x = 34,292.70
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1.5x scale
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.