Finding the Fourth Proportional to 96,970.92, 133,743.95 and 66,362.14
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Solution
The fourth proportional to 96,970.92, 133,743.95 and 66,362.14 is: 91,527.80
Step by Step Solution
- Step 1: Write the proportion equation
96,970.92 : 133,743.95 = 66,362.14 : x - Step 2: Convert to fraction form
96,970.92/133,743.95 = 66,362.14/x - Step 3: Cross multiply
96,970.92x = 133,743.95 × 66,362.14 - Step 4: Simplify right side
96,970.92x = 8,875,534,734.05 - Step 5: Solve for x
x = 8,875,534,734.05/96,970.92 - Step 6: Final answer
x = 91,527.80
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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.