Finding the Fourth Proportional to 88,777.26, 122,366.34 and 62,944.20
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Solution
The fourth proportional to 88,777.26, 122,366.34 and 62,944.20 is: 86,759.28
Step by Step Solution
- Step 1: Write the proportion equation
88,777.26 : 122,366.34 = 62,944.20 : x - Step 2: Convert to fraction form
88,777.26/122,366.34 = 62,944.20/x - Step 3: Cross multiply
88,777.26x = 122,366.34 × 62,944.20 - Step 4: Simplify right side
88,777.26x = 7,702,251,378.23 - Step 5: Solve for x
x = 7,702,251,378.23/88,777.26 - Step 6: Final answer
x = 86,759.28
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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.