Finding the Fourth Proportional to 88,073.13, 121,540.92 and 50,348.19
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Solution
The fourth proportional to 88,073.13, 121,540.92 and 50,348.19 is: 69,480.50
Step by Step Solution
- Step 1: Write the proportion equation
88,073.13 : 121,540.92 = 50,348.19 : x - Step 2: Convert to fraction form
88,073.13/121,540.92 = 50,348.19/x - Step 3: Cross multiply
88,073.13x = 121,540.92 × 50,348.19 - Step 4: Simplify right side
88,073.13x = 6,119,365,332.93 - Step 5: Solve for x
x = 6,119,365,332.93/88,073.13 - Step 6: Final answer
x = 69,480.50
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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.