Finding the Fourth Proportional to 96,859.07, 133,667.99 and 53,251.09
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Solution
The fourth proportional to 96,859.07, 133,667.99 and 53,251.09 is: 73,487.86
Step by Step Solution
- Step 1: Write the proportion equation
96,859.07 : 133,667.99 = 53,251.09 : x - Step 2: Convert to fraction form
96,859.07/133,667.99 = 53,251.09/x - Step 3: Cross multiply
96,859.07x = 133,667.99 × 53,251.09 - Step 4: Simplify right side
96,859.07x = 7,117,966,165.61 - Step 5: Solve for x
x = 7,117,966,165.61/96,859.07 - Step 6: Final answer
x = 73,487.86
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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.