Finding the Fourth Proportional to 86,261.92, 119,040.96 and 48,536.48
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Solution
The fourth proportional to 86,261.92, 119,040.96 and 48,536.48 is: 66,980.07
Step by Step Solution
- Step 1: Write the proportion equation
86,261.92 : 119,040.96 = 48,536.48 : x - Step 2: Convert to fraction form
86,261.92/119,040.96 = 48,536.48/x - Step 3: Cross multiply
86,261.92x = 119,040.96 × 48,536.48 - Step 4: Simplify right side
86,261.92x = 5,777,829,174.22 - Step 5: Solve for x
x = 5,777,829,174.22/86,261.92 - Step 6: Final answer
x = 66,980.07
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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.