Finding the Fourth Proportional to 96,494.64, 133,167.74 and 53,478.84
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Solution
The fourth proportional to 96,494.64, 133,167.74 and 53,478.84 is: 73,803.64
Step by Step Solution
- Step 1: Write the proportion equation
96,494.64 : 133,167.74 = 53,478.84 : x - Step 2: Convert to fraction form
96,494.64/133,167.74 = 53,478.84/x - Step 3: Cross multiply
96,494.64x = 133,167.74 × 53,478.84 - Step 4: Simplify right side
96,494.64x = 7,121,655,660.31 - Step 5: Solve for x
x = 7,121,655,660.31/96,494.64 - Step 6: Final answer
x = 73,803.64
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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.