Finding the Fourth Proportional to 88,639.61, 122,323.01 and 48,354.26
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Solution
The fourth proportional to 88,639.61, 122,323.01 and 48,354.26 is: 66,729.06
Step by Step Solution
- Step 1: Write the proportion equation
88,639.61 : 122,323.01 = 48,354.26 : x - Step 2: Convert to fraction form
88,639.61/122,323.01 = 48,354.26/x - Step 3: Cross multiply
88,639.61x = 122,323.01 × 48,354.26 - Step 4: Simplify right side
88,639.61x = 5,914,837,776.14 - Step 5: Solve for x
x = 5,914,837,776.14/88,639.61 - Step 6: Final answer
x = 66,729.06
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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.