Finding the Fourth Proportional to 84,897.08, 117,040.88 and 67,727.68
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Solution
The fourth proportional to 84,897.08, 117,040.88 and 67,727.68 is: 93,370.79
Step by Step Solution
- Step 1: Write the proportion equation
84,897.08 : 117,040.88 = 67,727.68 : x - Step 2: Convert to fraction form
84,897.08/117,040.88 = 67,727.68/x - Step 3: Cross multiply
84,897.08x = 117,040.88 × 67,727.68 - Step 4: Simplify right side
84,897.08x = 7,926,907,267.56 - Step 5: Solve for x
x = 7,926,907,267.56/84,897.08 - Step 6: Final answer
x = 93,370.79
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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.