Finding the Fourth Proportional to 96,612.75, 133,280.24 and 68,334.03
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Solution
The fourth proportional to 96,612.75, 133,280.24 and 68,334.03 is: 94,268.88
Step by Step Solution
- Step 1: Write the proportion equation
96,612.75 : 133,280.24 = 68,334.03 : x - Step 2: Convert to fraction form
96,612.75/133,280.24 = 68,334.03/x - Step 3: Cross multiply
96,612.75x = 133,280.24 × 68,334.03 - Step 4: Simplify right side
96,612.75x = 9,107,575,576.90 - Step 5: Solve for x
x = 9,107,575,576.90/96,612.75 - Step 6: Final answer
x = 94,268.88
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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.