Finding the Fourth Proportional to 93,781.49, 140,686.07 and 27,212.97
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Solution
The fourth proportional to 93,781.49, 140,686.07 and 27,212.97 is: 40,823.46
Step by Step Solution
- Step 1: Write the proportion equation
93,781.49 : 140,686.07 = 27,212.97 : x - Step 2: Convert to fraction form
93,781.49/140,686.07 = 27,212.97/x - Step 3: Cross multiply
93,781.49x = 140,686.07 × 27,212.97 - Step 4: Simplify right side
93,781.49x = 3,828,485,236.41 - Step 5: Solve for x
x = 3,828,485,236.41/93,781.49 - Step 6: Final answer
x = 40,823.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.