Finding the Fourth Proportional to 88,337.04, 121,906.68 and 50,611.44
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Solution
The fourth proportional to 88,337.04, 121,906.68 and 50,611.44 is: 69,844.68
Step by Step Solution
- Step 1: Write the proportion equation
88,337.04 : 121,906.68 = 50,611.44 : x - Step 2: Convert to fraction form
88,337.04/121,906.68 = 50,611.44/x - Step 3: Cross multiply
88,337.04x = 121,906.68 × 50,611.44 - Step 4: Simplify right side
88,337.04x = 6,169,872,620.42 - Step 5: Solve for x
x = 6,169,872,620.42/88,337.04 - Step 6: Final answer
x = 69,844.68
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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.