Finding the Fourth Proportional to 99,955.84, 149,933.84 and 26,083.84
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Solution
The fourth proportional to 99,955.84, 149,933.84 and 26,083.84 is: 39,125.78
Step by Step Solution
- Step 1: Write the proportion equation
99,955.84 : 149,933.84 = 26,083.84 : x - Step 2: Convert to fraction form
99,955.84/149,933.84 = 26,083.84/x - Step 3: Cross multiply
99,955.84x = 149,933.84 × 26,083.84 - Step 4: Simplify right side
99,955.84x = 3,910,850,293.15 - Step 5: Solve for x
x = 3,910,850,293.15/99,955.84 - Step 6: Final answer
x = 39,125.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.