Finding the Fourth Proportional to 88,455.49, 122,155.34 and 75,634.66
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Solution
The fourth proportional to 88,455.49, 122,155.34 and 75,634.66 is: 104,450.02
Step by Step Solution
- Step 1: Write the proportion equation
88,455.49 : 122,155.34 = 75,634.66 : x - Step 2: Convert to fraction form
88,455.49/122,155.34 = 75,634.66/x - Step 3: Cross multiply
88,455.49x = 122,155.34 × 75,634.66 - Step 4: Simplify right side
88,455.49x = 9,239,177,808.05 - Step 5: Solve for x
x = 9,239,177,808.05/88,455.49 - Step 6: Final answer
x = 104,450.02
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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.