Finding the Fourth Proportional to 84,243.76, 116,256.36 and 48,440.80
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Solution
The fourth proportional to 84,243.76, 116,256.36 and 48,440.80 is: 66,848.29
Step by Step Solution
- Step 1: Write the proportion equation
84,243.76 : 116,256.36 = 48,440.80 : x - Step 2: Convert to fraction form
84,243.76/116,256.36 = 48,440.80/x - Step 3: Cross multiply
84,243.76x = 116,256.36 × 48,440.80 - Step 4: Simplify right side
84,243.76x = 5,631,551,083.49 - Step 5: Solve for x
x = 5,631,551,083.49/84,243.76 - Step 6: Final answer
x = 66,848.29
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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.