Finding the Fourth Proportional to 88,005.24, 121,467.06 and 73,833.48
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Solution
The fourth proportional to 88,005.24, 121,467.06 and 73,833.48 is: 101,906.84
Step by Step Solution
- Step 1: Write the proportion equation
88,005.24 : 121,467.06 = 73,833.48 : x - Step 2: Convert to fraction form
88,005.24/121,467.06 = 73,833.48/x - Step 3: Cross multiply
88,005.24x = 121,467.06 × 73,833.48 - Step 4: Simplify right side
88,005.24x = 8,968,335,745.17 - Step 5: Solve for x
x = 8,968,335,745.17/88,005.24 - Step 6: Final answer
x = 101,906.84
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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.