Finding the Fourth Proportional to 88,310.18, 121,868.86 and 48,024.32
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Solution
The fourth proportional to 88,310.18, 121,868.86 and 48,024.32 is: 66,274.00
Step by Step Solution
- Step 1: Write the proportion equation
88,310.18 : 121,868.86 = 48,024.32 : x - Step 2: Convert to fraction form
88,310.18/121,868.86 = 48,024.32/x - Step 3: Cross multiply
88,310.18x = 121,868.86 × 48,024.32 - Step 4: Simplify right side
88,310.18x = 5,852,669,130.68 - Step 5: Solve for x
x = 5,852,669,130.68/88,310.18 - Step 6: Final answer
x = 66,274.00
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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.