Finding the Fourth Proportional to 122,944.33, 169,679.34 and 69,239.84
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Solution
The fourth proportional to 122,944.33, 169,679.34 and 69,239.84 is: 95,560.09
Step by Step Solution
- Step 1: Write the proportion equation
122,944.33 : 169,679.34 = 69,239.84 : x - Step 2: Convert to fraction form
122,944.33/169,679.34 = 69,239.84/x - Step 3: Cross multiply
122,944.33x = 169,679.34 × 69,239.84 - Step 4: Simplify right side
122,944.33x = 11,748,570,777.10 - Step 5: Solve for x
x = 11,748,570,777.10/122,944.33 - Step 6: Final answer
x = 95,560.09
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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.