Finding the Fourth Proportional to 88,679.77, 122,346.06 and 68,268.08
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Solution
The fourth proportional to 88,679.77, 122,346.06 and 68,268.08 is: 94,185.29
Step by Step Solution
- Step 1: Write the proportion equation
88,679.77 : 122,346.06 = 68,268.08 : x - Step 2: Convert to fraction form
88,679.77/122,346.06 = 68,268.08/x - Step 3: Cross multiply
88,679.77x = 122,346.06 × 68,268.08 - Step 4: Simplify right side
88,679.77x = 8,352,330,241.48 - Step 5: Solve for x
x = 8,352,330,241.48/88,679.77 - Step 6: Final answer
x = 94,185.29
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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.