Finding the Fourth Proportional to 96,258.15, 132,837.12 and 53,816.76
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Solution
The fourth proportional to 96,258.15, 132,837.12 and 53,816.76 is: 74,267.62
Step by Step Solution
- Step 1: Write the proportion equation
96,258.15 : 132,837.12 = 53,816.76 : x - Step 2: Convert to fraction form
96,258.15/132,837.12 = 53,816.76/x - Step 3: Cross multiply
96,258.15x = 132,837.12 × 53,816.76 - Step 4: Simplify right side
96,258.15x = 7,148,863,406.13 - Step 5: Solve for x
x = 7,148,863,406.13/96,258.15 - Step 6: Final answer
x = 74,267.62
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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.