Finding the Fourth Proportional to 84,035.79, 115,968.06 and 48,224.97
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Solution
The fourth proportional to 84,035.79, 115,968.06 and 48,224.97 is: 66,549.70
Step by Step Solution
- Step 1: Write the proportion equation
84,035.79 : 115,968.06 = 48,224.97 : x - Step 2: Convert to fraction form
84,035.79/115,968.06 = 48,224.97/x - Step 3: Cross multiply
84,035.79x = 115,968.06 × 48,224.97 - Step 4: Simplify right side
84,035.79x = 5,592,556,214.46 - Step 5: Solve for x
x = 5,592,556,214.46/84,035.79 - Step 6: Final answer
x = 66,549.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.