Finding the Fourth Proportional to 88,740.51, 122,462.16 and 48,454.62
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Solution
The fourth proportional to 88,740.51, 122,462.16 and 48,454.62 is: 66,867.52
Step by Step Solution
- Step 1: Write the proportion equation
88,740.51 : 122,462.16 = 48,454.62 : x - Step 2: Convert to fraction form
88,740.51/122,462.16 = 48,454.62/x - Step 3: Cross multiply
88,740.51x = 122,462.16 × 48,454.62 - Step 4: Simplify right side
88,740.51x = 5,933,857,427.18 - Step 5: Solve for x
x = 5,933,857,427.18/88,740.51 - Step 6: Final answer
x = 66,867.52
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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.