Finding the Fourth Proportional to 88,673.11, 122,371.86 and 48,389.08
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Solution
The fourth proportional to 88,673.11, 122,371.86 and 48,389.08 is: 66,778.55
Step by Step Solution
- Step 1: Write the proportion equation
88,673.11 : 122,371.86 = 48,389.08 : x - Step 2: Convert to fraction form
88,673.11/122,371.86 = 48,389.08/x - Step 3: Cross multiply
88,673.11x = 122,371.86 × 48,389.08 - Step 4: Simplify right side
88,673.11x = 5,921,461,723.29 - Step 5: Solve for x
x = 5,921,461,723.29/88,673.11 - Step 6: Final answer
x = 66,778.55
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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.