Finding the Fourth Proportional to 88,639.35, 122,317.81 and 48,352.79
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Solution
The fourth proportional to 88,639.35, 122,317.81 and 48,352.79 is: 66,724.39
Step by Step Solution
- Step 1: Write the proportion equation
88,639.35 : 122,317.81 = 48,352.79 : x - Step 2: Convert to fraction form
88,639.35/122,317.81 = 48,352.79/x - Step 3: Cross multiply
88,639.35x = 122,317.81 × 48,352.79 - Step 4: Simplify right side
88,639.35x = 5,914,406,647.72 - Step 5: Solve for x
x = 5,914,406,647.72/88,639.35 - Step 6: Final answer
x = 66,724.39
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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.