Finding the Fourth Proportional to 88,341.93, 121,909.68 and 50,613.75
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Solution
The fourth proportional to 88,341.93, 121,909.68 and 50,613.75 is: 69,845.72
Step by Step Solution
- Step 1: Write the proportion equation
88,341.93 : 121,909.68 = 50,613.75 : x - Step 2: Convert to fraction form
88,341.93/121,909.68 = 50,613.75/x - Step 3: Cross multiply
88,341.93x = 121,909.68 × 50,613.75 - Step 4: Simplify right side
88,341.93x = 6,170,306,066.10 - Step 5: Solve for x
x = 6,170,306,066.10/88,341.93 - Step 6: Final answer
x = 69,845.72
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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.