Finding the Fourth Proportional to 96,793.30, 133,562.68 and 53,772.58
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Solution
The fourth proportional to 96,793.30, 133,562.68 and 53,772.58 is: 74,199.45
Step by Step Solution
- Step 1: Write the proportion equation
96,793.30 : 133,562.68 = 53,772.58 : x - Step 2: Convert to fraction form
96,793.30/133,562.68 = 53,772.58/x - Step 3: Cross multiply
96,793.30x = 133,562.68 × 53,772.58 - Step 4: Simplify right side
96,793.30x = 7,182,009,895.31 - Step 5: Solve for x
x = 7,182,009,895.31/96,793.30 - Step 6: Final answer
x = 74,199.45
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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.