Finding the Fourth Proportional to 88,609.08, 122,283.59 and 50,370.23
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Solution
The fourth proportional to 88,609.08, 122,283.59 and 50,370.23 is: 69,512.65
Step by Step Solution
- Step 1: Write the proportion equation
88,609.08 : 122,283.59 = 50,370.23 : x - Step 2: Convert to fraction form
88,609.08/122,283.59 = 50,370.23/x - Step 3: Cross multiply
88,609.08x = 122,283.59 × 50,370.23 - Step 4: Simplify right side
88,609.08x = 6,159,451,690.26 - Step 5: Solve for x
x = 6,159,451,690.26/88,609.08 - Step 6: Final answer
x = 69,512.65
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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.